Sorry to whoever uses 2 spaces instead of a tab

on another note, build succeeds :D (i love eslint-disable >:)) <- is this even safe? we'll find out if the server explodes

web/src/app/_components/comments/AuditEventItem.tsx

@@ -12,13 +12,15 @@ import { AuditEvent, decodeAuditEvent as auditEventMessage } from "@/app/ts/Audi
 interface AuditEventItemProps {
     event: AuditEvent;
     validatorUser: number;
+    userAvatarUrl?: string;
 }
 
-export default function AuditEventItem({ event, validatorUser }: AuditEventItemProps) {
+export default function AuditEventItem({ event, validatorUser, userAvatarUrl }: AuditEventItemProps) {
     return (
         <Box sx={{ display: 'flex', gap: 2 }}>
             <Avatar
-                src={event.User === validatorUser ? undefined : `/thumbnails/user/${event.User}`}
+                src={event.User === validatorUser ? undefined : userAvatarUrl}
+                sx={{ border: '1px solid rgba(255, 255, 255, 0.1)', bgcolor: 'grey.900' }}
             >
                 <PersonIcon />
             </Avatar>

web/src/app/_components/comments/AuditEventsTabPanel.tsx

@@ -10,12 +10,14 @@ interface AuditEventsTabPanelProps {
     activeTab: number;
     auditEvents: AuditEvent[];
     validatorUser: number;
+    auditEventUserAvatarUrls?: Record<number, string>;
 }
 
 export default function AuditEventsTabPanel({
                                                 activeTab,
                                                 auditEvents,
-                                                validatorUser
+                                                validatorUser,
+                                                auditEventUserAvatarUrls
                                             }: AuditEventsTabPanelProps) {
     const filteredEvents = auditEvents.filter(
         event => event.EventType !== AuditEventType.Comment
@@ -30,6 +32,7 @@ export default function AuditEventsTabPanel({
                             key={index}
                             event={event}
                             validatorUser={validatorUser}
+                            userAvatarUrl={auditEventUserAvatarUrls?.[event.User]}
                         />
                     ))}
                 </Stack>

web/src/app/_components/comments/CommentItem.tsx

@@ -12,13 +12,15 @@ import { AuditEvent, decodeAuditEvent } from "@/app/ts/AuditEvent";
 interface CommentItemProps {
     event: AuditEvent;
     validatorUser: number;
+    userAvatarUrl?: string;
 }
 
-export default function CommentItem({ event, validatorUser }: CommentItemProps) {
+export default function CommentItem({ event, validatorUser, userAvatarUrl }: CommentItemProps) {
     return (
         <Box sx={{ display: 'flex', gap: 2 }}>
             <Avatar
-                src={event.User === validatorUser ? undefined : `/thumbnails/user/${event.User}`}
+                src={event.User === validatorUser ? undefined : userAvatarUrl}
+                sx={{ border: '1px solid rgba(255, 255, 255, 0.1)', bgcolor: 'grey.900' }}
             >
                 <PersonIcon />
             </Avatar>

web/src/app/_components/comments/CommentsAndAuditSection.tsx

@@ -16,17 +16,20 @@ interface CommentsAndAuditSectionProps {
     handleCommentSubmit: () => void;
     validatorUser: number;
     userId: number | null;
+    commentUserAvatarUrls: Record<number, string>;
+    auditEventUserAvatarUrls?: Record<number, string>;
 }
 
 export default function CommentsAndAuditSection({
-                                                    auditEvents,
-                                                    newComment,
-                                                    setNewComment,
-                                                    handleCommentSubmit,
-                                                    validatorUser,
-                                                    userId,
-                                                }: CommentsAndAuditSectionProps) {
-
+    auditEvents,
+    newComment,
+    setNewComment,
+    handleCommentSubmit,
+    validatorUser,
+    userId,
+    commentUserAvatarUrls,
+    auditEventUserAvatarUrls
+}: CommentsAndAuditSectionProps) {
     const [activeTab, setActiveTab] = useState(0);
     const handleTabChange = (event: React.SyntheticEvent, newValue: number) => {
         setActiveTab(newValue);
@@ -53,12 +56,14 @@ export default function CommentsAndAuditSection({
                 setNewComment={setNewComment}
                 handleCommentSubmit={handleCommentSubmit}
                 userId={userId}
+                commentUserAvatarUrls={commentUserAvatarUrls}
             />
 
             <AuditEventsTabPanel
                 activeTab={activeTab}
                 auditEvents={auditEvents}
                 validatorUser={validatorUser}
+                auditEventUserAvatarUrls={auditEventUserAvatarUrls}
             />
         </Paper>
     );

web/src/app/_components/comments/CommentsTabPanel.tsx

@@ -18,6 +18,8 @@ interface CommentsTabPanelProps {
     setNewComment: (comment: string) => void;
     handleCommentSubmit: () => void;
     userId: number | null;
+    userAvatarUrl?: string;
+    commentUserAvatarUrls?: Record<number, string>;
 }
 
 export default function CommentsTabPanel({
@@ -27,7 +29,9 @@ export default function CommentsTabPanel({
                                              newComment,
                                              setNewComment,
                                              handleCommentSubmit,
-                                             userId
+                                             userId,
+                                             userAvatarUrl,
+                                             commentUserAvatarUrls
                                          }: CommentsTabPanelProps) {
     const commentEvents = auditEvents.filter(
         event => event.EventType === AuditEventType.Comment
@@ -44,6 +48,7 @@ export default function CommentsTabPanel({
                                     key={index}
                                     event={event}
                                     validatorUser={validatorUser}
+                                    userAvatarUrl={commentUserAvatarUrls?.[event.User]}
                                 />
                             ))
                         ) : (
@@ -59,6 +64,7 @@ export default function CommentsTabPanel({
                             setNewComment={setNewComment}
                             handleCommentSubmit={handleCommentSubmit}
                             userId={userId}
+                            userAvatarUrl={userAvatarUrl}
                         />
                     )}
                 </>
@@ -72,13 +78,15 @@ interface CommentInputProps {
     setNewComment: (comment: string) => void;
     handleCommentSubmit: () => void;
     userId: number | null;
+    userAvatarUrl?: string;
 }
 
-function CommentInput({ newComment, setNewComment, handleCommentSubmit, userId }: CommentInputProps) {
+function CommentInput({ newComment, setNewComment, handleCommentSubmit, userAvatarUrl }: CommentInputProps) {
     return (
         <Box sx={{ display: 'flex', gap: 2, alignItems: 'flex-start' }}>
             <Avatar
-                src={`/thumbnails/user/${userId}`}
+                src={userAvatarUrl}
+                sx={{ border: '1px solid rgba(255, 255, 255, 0.1)', bgcolor: 'grey.900' }}
             />
             <TextField
                 fullWidth

web/src/app/_components/mapCard.tsx

@@ -1,12 +1,13 @@
 import React from "react";
-import {Avatar, Box, Card, CardActionArea, CardContent, CardMedia, Divider, Grid, Typography} from "@mui/material";
+import {Avatar, Box, Card, CardActionArea, CardContent, CardMedia, CircularProgress, Divider, Grid, Typography} from "@mui/material";
 import {Explore, Person2} from "@mui/icons-material";
 import {StatusChip} from "@/app/_components/statusChip";
 
 interface MapCardProps {
 	displayName: string;
 	assetId: number;
-	authorId: number;
+	submitterId: number;
+	submitterUsername: string;
 	author: string;
 	rating: number;
 	id: number;
@@ -14,6 +15,8 @@ interface MapCardProps {
 	gameID: number;
 	created: number;
 	type: 'mapfix' | 'submission';
+	thumbnailUrl?: string;
+	authorAvatarUrl?: string;
 }
 
 const CARD_WIDTH = 270;
@@ -40,15 +43,21 @@ export function MapCard(props: MapCardProps) {
 						}}
 						href={`/${props.type === 'submission' ? 'submissions' : 'mapfixes'}/${props.id}`}>
 						<Box sx={{ position: 'relative' }}>
-							<CardMedia
-								component="img"
-								image={`/thumbnails/asset/${props.assetId}`}
-								alt={props.displayName}
-								sx={{
-									height: 160, // Fixed height for all images
-									objectFit: 'cover',
-								}}
-							/>
+							{props.thumbnailUrl ? (
+								<CardMedia
+									component="img"
+									image={props.thumbnailUrl}
+									alt={props.displayName}
+									sx={{
+										height: 160, // Fixed height for all images
+										objectFit: 'cover',
+									}}
+								/>
+							) : (
+								<Box sx={{ height: 160, display: 'flex', alignItems: 'center', justifyContent: 'center', bgcolor: 'grey.900' }}>
+									<CircularProgress size={32} />
+								</Box>
+							)}
 							<Box
 								sx={{
 									position: 'absolute',
@@ -145,37 +154,35 @@ export function MapCard(props: MapCardProps) {
 									</Typography>
 								</Box>
 							</Box>
-							<Box>
-								<Divider sx={{ my: 1.5 }} />
-								<Box sx={{ display: 'flex', alignItems: 'center' }}>
-									<Avatar
-										src={`/thumbnails/user/${props.authorId}`}
-										alt={props.author}
-										sx={{
-											width: 24,
-											height: 24,
-											border: '1px solid rgba(255, 255, 255, 0.1)',
-										}}
-									/>
-									<Typography
-										variant="caption"
-										sx={{
-											ml: 1,
-											color: 'text.secondary',
-											fontWeight: 500,
-											overflow: 'hidden',
-											textOverflow: 'ellipsis',
-											whiteSpace: 'nowrap',
-										}}
-									>
-										{/*In the future author should be the username of the submitter not the info from the map*/}
-										{props.author} - {new Date(props.created * 1000).toLocaleDateString('en-US', {
-											year: 'numeric',
-											month: 'long',
-											day: 'numeric'
-										})}
-									</Typography>
-								</Box>
+							<Divider sx={{ my: 1.5 }} />
+							<Box sx={{ display: 'flex', alignItems: 'center' }}>
+								<Avatar
+									src={props.authorAvatarUrl}
+									alt={props.submitterUsername}
+									sx={{
+										width: 24,
+										height: 24,
+										border: '1px solid rgba(255, 255, 255, 0.1)',
+										bgcolor: 'grey.900'
+									}}
+								/>
+								<Typography
+									variant="caption"
+									sx={{
+										ml: 1,
+										color: 'text.secondary',
+										fontWeight: 500,
+										overflow: 'hidden',
+										textOverflow: 'ellipsis',
+										whiteSpace: 'nowrap',
+									}}
+								>
+									{props.submitterUsername} - {new Date(props.created * 1000).toLocaleDateString('en-US', {
+										year: 'numeric',
+										month: 'long',
+										day: 'numeric'
+									})}
+								</Typography>
 							</Box>
 						</CardContent>
 					</CardActionArea>

web/src/app/_components/review/ReviewItem.tsx

@@ -16,13 +16,16 @@ type ReviewItemType = SubmissionInfo | MapfixInfo;
 interface ReviewItemProps {
     item: ReviewItemType;
     handleCopyValue: (value: string) => void;
+    submitterAvatarUrl?: string;
+    submitterUsername?: string;
 }
 
 export function ReviewItem({
-                               item,
-                               handleCopyValue
-                           }: ReviewItemProps) {
-    // Type guard to check if item is valid
+    item,
+    handleCopyValue,
+    submitterAvatarUrl,
+    submitterUsername
+}: ReviewItemProps) {
     if (!item) return null;
 
     // Determine the type of item
@@ -53,6 +56,8 @@ export function ReviewItem({
                 statusId={item.StatusID}
                 creator={item.Creator}
                 submitterId={item.Submitter}
+                submitterAvatarUrl={submitterAvatarUrl}
+                submitterUsername={submitterUsername}
             />
 
             {/* Item Details */}

web/src/app/_components/review/ReviewItemHeader.tsx

@@ -3,52 +3,20 @@ import { StatusChip } from "@/app/_components/statusChip";
 import { SubmissionStatus } from "@/app/ts/Submission";
 import { MapfixStatus } from "@/app/ts/Mapfix";
 import {Status, StatusMatches} from "@/app/ts/Status";
-import { useState, useEffect } from "react";
 import Link from "next/link";
 import LaunchIcon from '@mui/icons-material/Launch';
 
-function SubmitterName({ submitterId }: { submitterId: number }) {
-    const [name, setName] = useState<string | null>(null);
-    const [loading, setLoading] = useState(true);
-
-    useEffect(() => {
-        if (!submitterId) return;
-        const fetchUserName = async () => {
-            try {
-                setLoading(true);
-                const response = await fetch(`/proxy/users/${submitterId}`);
-                if (!response.ok) throw new Error('Failed to fetch user');
-                const data = await response.json();
-                setName(`@${data.name}`);
-            } catch {
-                setName(String(submitterId));
-            } finally {
-                setLoading(false);
-            }
-        };
-        fetchUserName();
-    }, [submitterId]);
-
-    if (loading) return <Typography variant="body1">Loading...</Typography>;
-    return <Link href={`https://www.roblox.com/users/${submitterId}/profile`} target="_blank" rel="noopener noreferrer" style={{ textDecoration: 'none', color: 'inherit' }}>
-        <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5, '&:hover': { textDecoration: 'underline' } }}>
-            <Typography>
-                {name || submitterId}
-            </Typography>
-            <LaunchIcon sx={{ fontSize: '1rem', color: 'text.secondary' }} />
-        </Box>
-    </Link>
-}
-
 interface ReviewItemHeaderProps {
     displayName: string;
     assetId: number | null | undefined,
     statusId: SubmissionStatus | MapfixStatus;
     creator: string | null | undefined;
     submitterId: number;
+    submitterAvatarUrl?: string;
+    submitterUsername?: string;
 }
 
-export const ReviewItemHeader = ({ displayName, assetId, statusId, creator, submitterId }: ReviewItemHeaderProps) => {
+export const ReviewItemHeader = ({ displayName, assetId, statusId, creator, submitterId, submitterAvatarUrl, submitterUsername }: ReviewItemHeaderProps) => {
     const isProcessing = StatusMatches(statusId, [Status.Validating, Status.Uploading, Status.Submitting]);
     const pulse = keyframes`
         0%, 100% { opacity: 0.2; transform: scale(0.8); }
@@ -112,11 +80,18 @@ export const ReviewItemHeader = ({ displayName, assetId, statusId, creator, subm
 
             <Box sx={{ display: 'flex', alignItems: 'center', mb: 1 }}>
                 <Avatar
-                    src={`/thumbnails/user/${submitterId}`}
-                    sx={{ mr: 1, width: 24, height: 24 }}
+                    src={submitterAvatarUrl}
+                    sx={{ mr: 1, width: 24, height: 24, border: '1px solid rgba(255, 255, 255, 0.1)', bgcolor: 'grey.900' }}
                 />
-                <SubmitterName submitterId={submitterId} />
+                <Link href={`https://www.roblox.com/users/${submitterId}/profile`} target="_blank" rel="noopener noreferrer" style={{ textDecoration: 'none', color: 'inherit' }}>
+                    <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5, '&:hover': { textDecoration: 'underline' } }}>
+                        <Typography>
+                            {submitterUsername ? `@${submitterUsername}` : submitterId}
+                        </Typography>
+                        <LaunchIcon sx={{ fontSize: '1rem', color: 'text.secondary' }} />
+                    </Box>
+                </Link>
             </Box>
         </>
     );
-};
+};

web/src/app/hooks/useBatchThumbnails.ts

@@ -0,0 +1,61 @@
+import { useState, useEffect } from "react";
+
+function chunkArray<T>(arr: T[], size: number): T[][] {
+	const res: T[][] = [];
+	for (let i = 0; i < arr.length; i += size) {
+		res.push(arr.slice(i, i + size));
+	}
+	return res;
+}
+
+/**
+ * Fetches thumbnail URLs for a batch of asset IDs using the unified /thumbnails/batch endpoint.
+ * Handles loading and error state. Returns a mapping of assetId to URL.
+ */
+export function useBatchThumbnails(assetIds: (number | string)[] | undefined) {
+	const [thumbnails, setThumbnails] = useState<Record<number, string>>({});
+	const [loading, setLoading] = useState(false);
+	const [error, setError] = useState<Error | null>(null);
+
+	useEffect(() => {
+		if (!assetIds || assetIds.length === 0) {
+			setThumbnails({});
+			setLoading(false);
+			setError(null);
+			return;
+		}
+		const filteredIds = assetIds.filter(Boolean);
+		if (filteredIds.length === 0) {
+			setThumbnails({});
+			setLoading(false);
+			setError(null);
+			return;
+		}
+		setLoading(true);
+		setError(null);
+		const chunks = chunkArray(filteredIds, 50);
+		Promise.all(
+			chunks.map(chunk =>
+				fetch(`/thumbnails/batch?type=asset&ids=${chunk.join(",")}&type=asset`)
+					.then(res => {
+						if (!res.ok) throw new Error(`Failed to fetch thumbnails: ${res.status}`);
+						return res.json();
+					})
+			)
+		)
+			.then(datas => {
+				const result: Record<number, string> = {};
+				for (const data of datas) {
+					for (const [id, url] of Object.entries(data)) {
+						if (url) result[Number(id)] = url as string;
+					}
+				}
+				setThumbnails(result);
+			})
+			.catch(err => setError(err))
+			.finally(() => setLoading(false));
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, [assetIds && assetIds.filter(Boolean).join(",")]);
+
+	return { thumbnails, loading, error };
+}

web/src/app/hooks/useBatchUserAvatars.ts

@@ -0,0 +1,61 @@
+import { useState, useEffect } from "react";
+
+function chunkArray<T>(arr: T[], size: number): T[][] {
+	const res: T[][] = [];
+	for (let i = 0; i < arr.length; i += size) {
+		res.push(arr.slice(i, i + size));
+	}
+	return res;
+}
+
+/**
+ * Fetches avatar URLs for a batch of user IDs using the unified /thumbnails/batch?type=user endpoint.
+ * Returns a mapping of userId to avatar URL.
+ */
+export function useBatchUserAvatars(userIds: (number | string)[] | undefined) {
+	const [avatars, setAvatars] = useState<Record<number, string>>({});
+	const [loading, setLoading] = useState(false);
+	const [error, setError] = useState<Error | null>(null);
+
+	useEffect(() => {
+		if (!userIds || userIds.length === 0) {
+			setAvatars({});
+			setLoading(false);
+			setError(null);
+			return;
+		}
+		const filteredIds = userIds.filter(Boolean);
+		if (filteredIds.length === 0) {
+			setAvatars({});
+			setLoading(false);
+			setError(null);
+			return;
+		}
+		setLoading(true);
+		setError(null);
+		const chunks = chunkArray(filteredIds, 50);
+		Promise.all(
+			chunks.map(chunk =>
+				fetch(`/thumbnails/batch?type=user&ids=${chunk.join(",")}`)
+					.then(res => {
+						if (!res.ok) throw new Error(`Failed to fetch user avatars: ${res.status}`);
+						return res.json();
+					})
+			)
+		)
+			.then(datas => {
+				const result: Record<number, string> = {};
+				for (const data of datas) {
+					for (const [id, url] of Object.entries(data)) {
+						if (url) result[Number(id)] = url as string;
+					}
+				}
+				setAvatars(result);
+			})
+			.catch(err => setError(err))
+			.finally(() => setLoading(false));
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, [userIds && userIds.filter(Boolean).join(",")]);
+
+	return { avatars, loading, error };
+}

web/src/app/hooks/useBatchUsernames.ts

@@ -0,0 +1,63 @@
+import { useState, useEffect } from "react";
+
+function chunkArray<T>(arr: T[], size: number): T[][] {
+  const res: T[][] = [];
+  for (let i = 0; i < arr.length; i += size) {
+    res.push(arr.slice(i, i + size));
+  }
+  return res;
+}
+
+/**
+ * Fetches usernames for a batch of user IDs using the /proxy/users/batch?ids=... endpoint.
+ * Returns a mapping of userId to username (or userId as string if not found).
+ */
+export function useBatchUsernames(userIds: (number | string)[] | undefined) {
+  const [usernames, setUsernames] = useState<Record<number, string>>({});
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<Error | null>(null);
+
+  useEffect(() => {
+    if (!userIds || userIds.length === 0) {
+      setUsernames({});
+      setLoading(false);
+      setError(null);
+      return;
+    }
+    const filteredIds = userIds.filter(Boolean);
+    if (filteredIds.length === 0) {
+      setUsernames({});
+      setLoading(false);
+      setError(null);
+      return;
+    }
+    setLoading(true);
+    setError(null);
+    const chunks = chunkArray(filteredIds, 50);
+    Promise.all(
+      chunks.map(chunk =>
+        fetch(`/proxy/users/batch?ids=${chunk.join(",")}`)
+          .then(res => {
+            if (!res.ok) throw new Error(`Failed to fetch usernames: ${res.status}`);
+            return res.json();
+          })
+      )
+    )
+      .then(datas => {
+        const result: Record<number, string> = {};
+        for (const data of datas) {
+          if (Array.isArray(data.data)) {
+            for (const user of data.data) {
+              result[user.id] = user.name || String(user.id);
+            }
+          }
+        }
+        setUsernames(result);
+      })
+      .catch(err => setError(err))
+      .finally(() => setLoading(false));
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [userIds && userIds.filter(Boolean).join(",")]);
+
+  return { usernames, loading, error };
+}

web/src/app/lib/thumbnailLoader.ts

@@ -1,3 +0,0 @@
-export const thumbnailLoader = ({ src, width, quality }: { src: string, width: number, quality?: number }) => {
-    return `${src}?w=${width}&q=${quality || 75}`;
-};

web/src/app/mapfixes/[mapfixId]/page.tsx

@@ -2,7 +2,7 @@
 
 import Webpage from "@/app/_components/webpage";
 import { useParams, useRouter } from "next/navigation";
-import {useState} from "react";
+import { useState } from "react";
 import Link from "next/link";
 
 // MUI Components
@@ -17,6 +17,7 @@ import {
 	CardMedia,
 	Snackbar,
 	Alert,
+	CircularProgress,
 } from "@mui/material";
 
 import NavigateNextIcon from '@mui/icons-material/NavigateNext';
@@ -27,6 +28,9 @@ import ReviewButtons from "@/app/_components/review/ReviewButtons";
 import {useReviewData} from "@/app/hooks/useReviewData";
 import {MapfixInfo} from "@/app/ts/Mapfix";
 import {useTitle} from "@/app/hooks/useTitle";
+import { useBatchThumbnails } from "@/app/hooks/useBatchThumbnails";
+import { useBatchUserAvatars } from "@/app/hooks/useBatchUserAvatars";
+import { useBatchUsernames } from "@/app/hooks/useBatchUsernames";
 
 interface SnackbarState {
 	open: boolean;
@@ -44,6 +48,7 @@ export default function MapfixDetailsPage() {
 		message: null,
 		severity: 'success'
 	});
+
 	const showSnackbar = (message: string, severity: 'success' | 'error' | 'info' | 'warning' = 'success') => {
 		setSnackbar({
 			open: true,
@@ -76,6 +81,43 @@ export default function MapfixDetailsPage() {
 
 	useTitle(mapfix ? `${mapfix.DisplayName} Mapfix` : 'Loading Mapfix...');
 
+	// Fetch thumbnails for mapfix images using the hook
+	const assetIds = [mapfix?.TargetAssetID, mapfix?.AssetID].filter(Boolean);
+	const { thumbnails: thumbnailUrls } = useBatchThumbnails(assetIds);
+
+	// Gather all user IDs: submitter, commenters, audit event actors
+	const commentUserIds = (auditEvents || [])
+		.filter(ev => ev.User && ev.User > 0)
+		.map(ev => ev.User);
+	const submitterId = mapfix?.Submitter;
+	const allUserIds = Array.from(new Set([
+		submitterId,
+		...(commentUserIds || [])
+	])).filter(Boolean);
+
+	// Batch fetch avatars and submitter username only
+	const { avatars: userAvatars } = useBatchUserAvatars(allUserIds);
+	const { usernames: userUsernames } = useBatchUsernames([submitterId].filter(Boolean));
+
+	// Prepare avatar/username props for ReviewItem
+	const submitterAvatarUrl = submitterId ? userAvatars[submitterId] : undefined;
+	const submitterUsername = submitterId ? userUsernames[submitterId] : undefined;
+
+	// Prepare avatar map for CommentsAndAuditSection (comments)
+	const commentUserAvatarUrls: Record<number, string> = {};
+	for (const uid of commentUserIds) {
+		if (userAvatars[uid]) commentUserAvatarUrls[uid] = userAvatars[uid];
+	}
+
+	// Prepare avatar map for CommentsAndAuditSection (audit events)
+	const auditEventUserIds = (auditEvents || [])
+		.filter(ev => ev.User && ev.User > 0)
+		.map(ev => ev.User);
+	const auditEventUserAvatarUrls: Record<number, string> = {};
+	for (const uid of auditEventUserIds) {
+		if (userAvatars[uid]) auditEventUserAvatarUrls[uid] = userAvatars[uid];
+	}
+
 	// Handle review button actions
 	async function handleReviewAction(action: string, mapfixId: number) {
 		try {
@@ -220,12 +262,18 @@ export default function MapfixDetailsPage() {
 											transition: 'opacity 0.5s ease-in-out'
 										}}
 									>
-										<CardMedia
-											component="img"
-											image={`/thumbnails/asset/${mapfix.TargetAssetID}`}
-											alt="Before Map Thumbnail"
-											sx={{ width: '100%', height: '100%', objectFit: 'cover' }}
-										/>
+										{thumbnailUrls[mapfix.TargetAssetID] ? (
+											<CardMedia
+												component="img"
+												image={thumbnailUrls[mapfix.TargetAssetID]}
+												alt="Before Map Thumbnail"
+												sx={{ width: '100%', height: '100%', objectFit: 'cover' }}
+											/>
+										) : (
+											<Box sx={{ width: '100%', height: '100%', display: 'flex', alignItems: 'center', justifyContent: 'center', bgcolor: 'grey.900' }}>
+												<CircularProgress size={32} />
+											</Box>
+										)}
 									</Box>
 
 									{/* After Image */}
@@ -241,12 +289,18 @@ export default function MapfixDetailsPage() {
 											transition: 'opacity 0.5s ease-in-out'
 										}}
 									>
-										<CardMedia
-											component="img"
-											image={`/thumbnails/asset/${mapfix.AssetID}`}
-											alt="After Map Thumbnail"
-											sx={{ width: '100%', height: '100%', objectFit: 'cover' }}
-										/>
+										{thumbnailUrls[mapfix.AssetID] ? (
+											<CardMedia
+												component="img"
+												image={thumbnailUrls[mapfix.AssetID]}
+												alt="After Map Thumbnail"
+												sx={{ width: '100%', height: '100%', objectFit: 'cover' }}
+											/>
+										) : (
+											<Box sx={{ width: '100%', height: '100%', display: 'flex', alignItems: 'center', justifyContent: 'center', bgcolor: 'grey.900' }}>
+												<CircularProgress size={32} />
+											</Box>
+										)}
 									</Box>
 									<Box
 										sx={{
@@ -343,6 +397,8 @@ export default function MapfixDetailsPage() {
 						<ReviewItem
 							item={mapfix}
 							handleCopyValue={handleCopyId}
+							submitterAvatarUrl={submitterAvatarUrl}
+							submitterUsername={submitterUsername}
 						/>
 
 						{/* Comments Section */}
@@ -353,6 +409,8 @@ export default function MapfixDetailsPage() {
 							handleCommentSubmit={handleCommentSubmit}
 							validatorUser={validatorUser}
 							userId={user}
+							commentUserAvatarUrls={commentUserAvatarUrls}
+							auditEventUserAvatarUrls={auditEventUserAvatarUrls}
 						/>
 					</Grid>
 				</Grid>

web/src/app/mapfixes/page.tsx

@@ -16,6 +16,9 @@ import {
 import Link from "next/link";
 import NavigateNextIcon from "@mui/icons-material/NavigateNext";
 import {useTitle} from "@/app/hooks/useTitle";
+import { useBatchThumbnails } from "@/app/hooks/useBatchThumbnails";
+import { useBatchUserAvatars } from "@/app/hooks/useBatchUserAvatars";
+import { useBatchUsernames } from "@/app/hooks/useBatchUsernames";
 
 export default function MapfixInfoPage() {
 	useTitle("Map Fixes");
@@ -55,6 +58,14 @@ export default function MapfixInfoPage() {
 		return () => controller.abort();
 	}, [currentPage]);
 
+	const assetIds = mapfixes?.Mapfixes.map(m => m.AssetID) ?? [];
+	const { thumbnails: thumbnailUrls } = useBatchThumbnails(assetIds);
+
+	// Collect unique submitter IDs for avatar and username fetching
+	const submitterIds = mapfixes ? Array.from(new Set(mapfixes.Mapfixes.map(m => m.Submitter))) : [];
+	const { avatars: avatarUrls } = useBatchUserAvatars(submitterIds);
+	const { usernames: submitterUsernames } = useBatchUsernames(submitterIds);
+
 	if (isLoading || !mapfixes) {
 		return (
 			<Webpage>
@@ -111,12 +122,15 @@ export default function MapfixInfoPage() {
 								assetId={mapfix.AssetID}
 								displayName={mapfix.DisplayName}
 								author={mapfix.Creator}
-								authorId={mapfix.Submitter}
+								submitterId={mapfix.Submitter}
+								submitterUsername={submitterUsernames[mapfix.Submitter] || String(mapfix.Submitter)}
 								rating={mapfix.StatusID}
 								statusID={mapfix.StatusID}
 								gameID={mapfix.GameID}
 								created={mapfix.CreatedAt}
 								type="mapfix"
+								thumbnailUrl={thumbnailUrls[mapfix.AssetID]}
+								authorAvatarUrl={avatarUrls[mapfix.Submitter]}
 							/>
 						))}
 					</Box>

web/src/app/maps/[mapId]/page.tsx

@@ -6,25 +6,26 @@ import { useParams, useRouter } from "next/navigation";
 import React, { useState, useEffect } from "react";
 import Link from "next/link";
 import { Snackbar, Alert } from "@mui/material";
+import { useBatchThumbnails } from "@/app/hooks/useBatchThumbnails";
 import { MapfixStatus, type MapfixInfo } from "@/app/ts/Mapfix";
-import LaunchIcon from '@mui/icons-material/Launch';
 
 // MUI Components
 import {
-  Typography,
-  Box,
-  Button,
-  Container,
-  Breadcrumbs,
-  Chip,
-  Grid,
-  Divider,
-  Paper,
-  Skeleton,
-  Stack,
-  CardMedia,
-  Tooltip,
-  IconButton
+	Typography,
+	Box,
+	Button,
+	Container,
+	Breadcrumbs,
+	Chip,
+	Grid,
+	Divider,
+	Paper,
+	Skeleton,
+	Stack,
+	CardMedia,
+	Tooltip,
+	IconButton,
+	CircularProgress
 } from "@mui/material";
 import NavigateNextIcon from "@mui/icons-material/NavigateNext";
 import CalendarTodayIcon from "@mui/icons-material/CalendarToday";
@@ -34,435 +35,446 @@ import BugReportIcon from "@mui/icons-material/BugReport";
 import ContentCopyIcon from "@mui/icons-material/ContentCopy";
 import InsertDriveFileIcon from "@mui/icons-material/InsertDriveFile";
 import DownloadIcon from '@mui/icons-material/Download';
+import LaunchIcon from '@mui/icons-material/Launch';
 import {hasRole, RolesConstants} from "@/app/ts/Roles";
 import {useTitle} from "@/app/hooks/useTitle";
 
 export default function MapDetails() {
-  const { mapId } = useParams();
-  const router = useRouter();
-  const [map, setMap] = useState<MapInfo | null>(null);
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState<string | null>(null);
-  const [copySuccess, setCopySuccess] = useState(false);
-  const [roles, setRoles] = useState(RolesConstants.Empty);
-  const [downloading, setDownloading] = useState(false);
-  const [mapfixes, setMapfixes] = useState<MapfixInfo[]>([]);
+	const { mapId } = useParams();
+	const router = useRouter();
+	const [map, setMap] = useState<MapInfo | null>(null);
+	const [loading, setLoading] = useState(true);
+	const [error, setError] = useState<string | null>(null);
+	const [copySuccess, setCopySuccess] = useState(false);
+	const [roles, setRoles] = useState(RolesConstants.Empty);
+	const [downloading, setDownloading] = useState(false);
+	const [mapfixes, setMapfixes] = useState<MapfixInfo[]>([]);
 
-  useTitle(map ? `${map.DisplayName}` : 'Loading Map...');
+	useTitle(map ? `${map.DisplayName}` : 'Loading Map...');
 
-  useEffect(() => {
-    async function getMap() {
-      try {
-        setLoading(true);
-        setError(null);
-        const res = await fetch(`/api/maps/${mapId}`);
-        if (!res.ok) {
-          throw new Error(`Failed to fetch map: ${res.status}`);
-        }
-        const data = await res.json();
-        setMap(data);
-      } catch (error) {
-        console.error("Error fetching map details:", error);
-        setError(error instanceof Error ? error.message : "Failed to load map details");
-      } finally {
-        setLoading(false);
-      }
-    }
-    getMap();
-  }, [mapId]);
-
-  useEffect(() => {
-	async function getRoles() {
-		try {
-		    const rolesResponse = await fetch("/api/session/roles");
-		    if (rolesResponse.ok) {
-		        const rolesData = await rolesResponse.json();
-		        setRoles(rolesData.Roles);
-		    } else {
-		        console.warn(`Failed to fetch roles: ${rolesResponse.status}`);
-		        setRoles(RolesConstants.Empty);
-		    }
-		} catch (error) {
-		    console.warn("Error fetching roles data:", error);
-		    setRoles(RolesConstants.Empty);
+	useEffect(() => {
+		async function getMap() {
+			try {
+				setLoading(true);
+				setError(null);
+				const res = await fetch(`/api/maps/${mapId}`);
+				if (!res.ok) {
+					throw new Error(`Failed to fetch map: ${res.status}`);
+				}
+				const data = await res.json();
+				setMap(data);
+			} catch (error) {
+				console.error("Error fetching map details:", error);
+				setError(error instanceof Error ? error.message : "Failed to load map details");
+			} finally {
+				setLoading(false);
+			}
 		}
+		getMap();
+	}, [mapId]);
+
+	useEffect(() => {
+		if (!map) return;
+		const targetAssetId = map.ID;
+		async function fetchMapfixes() {
+			try {
+				const limit = 100;
+				let page = 1;
+				let allMapfixes: MapfixInfo[] = [];
+				let total = 0;
+				do {
+					const res = await fetch(`/api/mapfixes?Page=${page}&Limit=${limit}&TargetAssetID=${targetAssetId}`);
+					if (!res.ok) break;
+					const data = await res.json();
+					if (page === 1) total = data.Total;
+					allMapfixes = allMapfixes.concat(data.Mapfixes);
+					page++;
+				} while (allMapfixes.length < total);
+				// Filter out rejected, uploading, uploaded (StatusID > 7)
+				const active = allMapfixes.filter((fix: MapfixInfo) => fix.StatusID <= MapfixStatus.Validated);
+				setMapfixes(active);
+			} catch {
+				setMapfixes([]);
+			}
+		}
+		fetchMapfixes();
+	}, [map]);
+
+	useEffect(() => {
+		async function getRoles() {
+			try {
+				const rolesResponse = await fetch("/api/session/roles");
+				if (rolesResponse.ok) {
+					const rolesData = await rolesResponse.json();
+					setRoles(rolesData.Roles);
+				} else {
+					console.warn(`Failed to fetch roles: ${rolesResponse.status}`);
+					setRoles(RolesConstants.Empty);
+				}
+			} catch (error) {
+				console.warn("Error fetching roles data:", error);
+				setRoles(RolesConstants.Empty);
+			}
+		}
+		getRoles()
+	}, [mapId]);
+	
+	// Use useBatchThumbnails for the map thumbnail
+	const assetIds = map?.ID ? [map.ID] : [];
+	const { thumbnails: thumbnailUrls } = useBatchThumbnails(assetIds);
+
+	const formatDate = (timestamp: number) => {
+		return new Date(timestamp * 1000).toLocaleDateString('en-US', {
+			year: 'numeric',
+			month: 'long',
+			day: 'numeric'
+		});
+	};
+
+	const getGameInfo = (gameId: number) => {
+		switch (gameId) {
+			case 1:
+				return {
+					name: "Bhop",
+					color: "#2196f3" // blue
+				};
+			case 2:
+				return {
+					name: "Surf",
+					color: "#4caf50" // green
+				};
+			case 5:
+				return {
+					name: "Fly Trials",
+					color: "#ff9800" // orange
+				};
+			default:
+				return {
+					name: "Unknown",
+					color: "#9e9e9e" // gray
+				};
+		}
+	};
+
+	const handleSubmitMapfix = () => {
+		router.push(`/maps/${mapId}/fix`);
+	};
+
+	const handleCopyId = (idToCopy: string) => {
+		navigator.clipboard.writeText(idToCopy);
+		setCopySuccess(true);
+	};
+
+
+	const handleDownload = async () => {
+		setDownloading(true);
+		try {
+			// Fetch the download URL
+			const res = await fetch(`/api/maps/${mapId}/location`);
+			if (!res.ok) throw new Error('Failed to fetch download location');
+
+			const location = await res.text();
+
+			// open in new window
+			window.open(location.trim(), '_blank');
+
+		} catch (err) {
+			console.error('Download error:', err);
+			// Optional: Show user-friendly error message
+			alert('Download failed. Please try again.');
+		} finally {
+			setDownloading(false);
+		}
+	};
+
+	const handleCloseSnackbar = () => {
+		setCopySuccess(false);
+	};
+
+	if (error) {
+		return (
+			<Webpage>
+				<Container maxWidth="lg" sx={{ py: 6 }}>
+					<Paper
+						elevation={3}
+						sx={{
+							p: 4,
+							textAlign: 'center',
+							borderRadius: 2,
+							backgroundColor: 'error.light',
+							color: 'error.contrastText'
+						}}
+					>
+						<Typography variant="h5" gutterBottom>Error Loading Map</Typography>
+						<Typography variant="body1">{error}</Typography>
+						<Button
+							variant="contained"
+							onClick={() => router.push('/maps')}
+							sx={{ mt: 3 }}
+						>
+							Return to Maps
+						</Button>
+					</Paper>
+				</Container>
+			</Webpage>
+		);
 	}
-	getRoles()
-  }, [mapId]);
 
-  useEffect(() => {
-    if (!map) return;
-    const targetAssetId = map.ID;
-    async function fetchMapfixes() {
-      try {
-        const limit = 100;
-        let page = 1;
-        let allMapfixes: MapfixInfo[] = [];
-        let total = 0;
-        do {
-          const res = await fetch(`/api/mapfixes?Page=${page}&Limit=${limit}&TargetAssetID=${targetAssetId}`);
-          if (!res.ok) break;
-          const data = await res.json();
-          if (page === 1) total = data.Total;
-          allMapfixes = allMapfixes.concat(data.Mapfixes);
-          page++;
-        } while (allMapfixes.length < total);
-        // Filter out rejected, uploading, uploaded (StatusID > 7)
-        const active = allMapfixes.filter((fix: MapfixInfo) => fix.StatusID <= MapfixStatus.Validated);
-        setMapfixes(active);
-      } catch {
-        setMapfixes([]);
-      }
-    }
-    fetchMapfixes();
-  }, [map]);
+	return (
+		<Webpage>
+			<Container maxWidth="lg" sx={{ py: { xs: 3, md: 5 } }}>
+				{/* Breadcrumbs Navigation */}
+				<Breadcrumbs
+					separator={<NavigateNextIcon fontSize="small" />}
+					aria-label="breadcrumb"
+					sx={{ mb: 3 }}
+				>
+					<Link href="/" passHref style={{ textDecoration: 'none', color: 'inherit' }}>
+						<Typography color="text.primary">Home</Typography>
+					</Link>
+					<Link href="/maps" passHref style={{ textDecoration: 'none', color: 'inherit' }}>
+						<Typography color="text.primary">Maps</Typography>
+					</Link>
+					<Typography color="text.secondary">{loading ? "Loading..." : map?.DisplayName || "Map Details"}</Typography>
+				</Breadcrumbs>
+				{loading ? (
+					<Box>
+						<Box sx={{ mb: 4 }}>
+							<Skeleton variant="text" width="60%" height={60} />
+							<Box sx={{ display: 'flex', alignItems: 'center', mt: 1 }}>
+								<Skeleton variant="circular" width={40} height={40} sx={{ mr: 2 }} />
+								<Skeleton variant="text" width={120} />
+								<Skeleton variant="rounded" width={80} height={30} sx={{ ml: 2 }} />
+							</Box>
+						</Box>
 
-  const formatDate = (timestamp: number) => {
-    return new Date(timestamp * 1000).toLocaleDateString('en-US', {
-      year: 'numeric',
-      month: 'long',
-      day: 'numeric'
-    });
-  };
+						<Grid container spacing={3}>
+							<Grid item xs={12} md={8}>
+								<Skeleton variant="rectangular" height={400} sx={{ borderRadius: 2 }} />
+							</Grid>
 
-  const getGameInfo = (gameId: number) => {
-    switch (gameId) {
-      case 1:
-        return {
-          name: "Bhop",
-          color: "#2196f3" // blue
-        };
-      case 2:
-        return {
-          name: "Surf",
-          color: "#4caf50" // green
-        };
-      case 5:
-        return {
-          name: "Fly Trials",
-          color: "#ff9800" // orange
-        };
-      default:
-        return {
-          name: "Unknown",
-          color: "#9e9e9e" // gray
-        };
-    }
-  };
+							<Grid item xs={12} md={4}>
+								<Skeleton variant="rectangular" height={200} sx={{ borderRadius: 2, mb: 3 }} />
+								<Skeleton variant="text" width="90%" />
+								<Skeleton variant="text" width="70%" />
+								<Skeleton variant="text" width="80%" />
+								<Skeleton variant="rectangular" height={100} sx={{ borderRadius: 2, mt: 3 }} />
+							</Grid>
+						</Grid>
+					</Box>
+				) : (
+					map && (
+						<>
+							{/* Map Header */}
+							<Box sx={{ mb: 4 }}>
+								<Box sx={{ display: 'flex', alignItems: 'center', flexWrap: 'wrap', gap: 2 }}>
+									<Typography variant="h3" component="h1" sx={{ fontWeight: 'bold' }}>
+										{map.DisplayName}
+									</Typography>
 
-  const handleSubmitMapfix = () => {
-    router.push(`/maps/${mapId}/fix`);
-  };
+									{map.GameID && (
+										<Chip
+											label={getGameInfo(map.GameID).name}
+											sx={{
+												bgcolor: getGameInfo(map.GameID).color,
+												color: '#fff',
+												fontWeight: 'bold',
+												fontSize: '0.9rem',
+												height: 32
+											}}
+										/>
+									)}
+								</Box>
 
-  const handleCopyId = (idToCopy: string) => {
-    navigator.clipboard.writeText(idToCopy);
-    setCopySuccess(true);
-  };
+								<Box sx={{ display: 'flex', alignItems: 'center', mt: 2, flexWrap: 'wrap', gap: { xs: 2, sm: 3 } }}>
+									<Box sx={{ display: 'flex', alignItems: 'center' }}>
+										<PersonIcon sx={{ mr: 1, color: 'primary.main' }} />
+										<Typography variant="body1">
+											<strong>Created by:</strong> {map.Creator}
+										</Typography>
+									</Box>
 
+									<Box sx={{ display: 'flex', alignItems: 'center' }}>
+										<CalendarTodayIcon sx={{ mr: 1, color: 'primary.main' }} />
+										<Typography variant="body1">
+											{formatDate(map.Date)}
+										</Typography>
+									</Box>
 
-  const handleDownload = async () => {
-    setDownloading(true);
-    try {
-      // Fetch the download URL
-      const res = await fetch(`/api/maps/${mapId}/location`);
-      if (!res.ok) throw new Error('Failed to fetch download location');
+									<Box sx={{ display: 'flex', alignItems: 'center' }}>
+										<FlagIcon sx={{ mr: 1, color: 'primary.main' }} />
+										<Box sx={{ display: 'flex', alignItems: 'center' }}>
+											<Typography variant="body1">
+												<strong>ID:</strong> {mapId}
+											</Typography>
+											<Tooltip title="Copy ID to clipboard">
+												<IconButton
+													size="small"
+													onClick={() => handleCopyId(mapId as string)}
+													sx={{ ml: 1 }}
+												>
+													<ContentCopyIcon fontSize="small" />
+												</IconButton>
+											</Tooltip>
+										</Box>
+									</Box>
+									{!loading && hasRole(roles,RolesConstants.MapDownload) && (
+										<Box sx={{ display: 'flex', alignItems: 'center' }}>
+											<InsertDriveFileIcon sx={{ mr: 1, color: 'primary.main' }} />
+											<Typography variant="body1">
+												Download
+											</Typography>
+											<Tooltip title="File extension must be changed to .rbxm manually">
+												<IconButton
+													size="small"
+													onClick={handleDownload}
+													sx={{ ml: 1 }}
+													disabled={downloading}
+												>
+													<DownloadIcon fontSize="small" />
+												</IconButton>
+											</Tooltip>
+										</Box>
+									)}
+								</Box>
+							</Box>
 
-      const location = await res.text();
+							<Grid container spacing={3}>
+								{/* Map Preview Section */}
+								<Grid item xs={12} md={8}>
+									<Paper
+										elevation={3}
+										sx={{
+											borderRadius: 2,
+											overflow: 'hidden',
+											position: 'relative'
+										}}
+									>
+										{thumbnailUrls[map.ID] ? (
+											<CardMedia
+												component="img"
+												image={thumbnailUrls[map.ID]}
+												alt={`Preview of map: ${map?.DisplayName}`}
+												sx={{
+													height: 400,
+													objectFit: 'cover',
+												}}
+											/>
+										) : (
+											<Box sx={{ width: '100%', height: 400, display: 'flex', alignItems: 'center', justifyContent: 'center', bgcolor: 'grey.900' }}>
+												<CircularProgress size={40} />
+											</Box>
+										)}
+									</Paper>
+								</Grid>
 
-      // open in new window
-      window.open(location.trim(), '_blank');
+								{/* Map Details Section */}
+								<Grid item xs={12} md={4}>
+									<Paper elevation={3} sx={{ p: 3, borderRadius: 2, mb: 3 }}>
+										<Typography variant="h6" gutterBottom>Map Details</Typography>
+										<Divider sx={{ mb: 2 }} />
 
-    } catch (err) {
-      console.error('Download error:', err);
-      // Optional: Show user-friendly error message
-      alert('Download failed. Please try again.');
-    } finally {
-      setDownloading(false);
-    }
-  };
+										<Stack spacing={2}>
+											<Box>
+												<Typography variant="subtitle2" color="text.secondary">Display Name</Typography>
+												<Typography variant="body1">{map.DisplayName}</Typography>
+											</Box>
 
-  const handleCloseSnackbar = () => {
-    setCopySuccess(false);
-  };
+											<Box>
+												<Typography variant="subtitle2" color="text.secondary">Creator</Typography>
+												<Typography variant="body1">{map.Creator}</Typography>
+											</Box>
 
-  if (error) {
-    return (
-        <Webpage>
-          <Container maxWidth="lg" sx={{ py: 6 }}>
-            <Paper
-                elevation={3}
-                sx={{
-                  p: 4,
-                  textAlign: 'center',
-                  borderRadius: 2,
-                  backgroundColor: 'error.light',
-                  color: 'error.contrastText'
-                }}
-            >
-              <Typography variant="h5" gutterBottom>Error Loading Map</Typography>
-              <Typography variant="body1">{error}</Typography>
-              <Button
-                  variant="contained"
-                  onClick={() => router.push('/maps')}
-                  sx={{ mt: 3 }}
-              >
-                Return to Maps
-              </Button>
-            </Paper>
-          </Container>
-        </Webpage>
-    );
-  }
+											<Box>
+												<Typography variant="subtitle2" color="text.secondary">Game Type</Typography>
+												<Typography variant="body1">{getGameInfo(map.GameID).name}</Typography>
+											</Box>
 
-  return (
-      <Webpage>
-        <Container maxWidth="lg" sx={{ py: { xs: 3, md: 5 } }}>
-          {/* Breadcrumbs Navigation */}
-          <Breadcrumbs
-              separator={<NavigateNextIcon fontSize="small" />}
-              aria-label="breadcrumb"
-              sx={{ mb: 3 }}
-          >
-            <Link href="/" passHref style={{ textDecoration: 'none', color: 'inherit' }}>
-              <Typography color="text.primary">Home</Typography>
-            </Link>
-            <Link href="/maps" passHref style={{ textDecoration: 'none', color: 'inherit' }}>
-              <Typography color="text.primary">Maps</Typography>
-            </Link>
-            <Typography color="text.secondary">{loading ? "Loading..." : map?.DisplayName || "Map Details"}</Typography>
-          </Breadcrumbs>
-          {loading ? (
-              <Box>
-                <Box sx={{ mb: 4 }}>
-                  <Skeleton variant="text" width="60%" height={60} />
-                  <Box sx={{ display: 'flex', alignItems: 'center', mt: 1 }}>
-                    <Skeleton variant="circular" width={40} height={40} sx={{ mr: 2 }} />
-                    <Skeleton variant="text" width={120} />
-                    <Skeleton variant="rounded" width={80} height={30} sx={{ ml: 2 }} />
-                  </Box>
-                </Box>
+											<Box>
+												<Typography variant="subtitle2" color="text.secondary">Release Date</Typography>
+												<Typography variant="body1">{formatDate(map.Date)}</Typography>
+											</Box>
 
-                <Grid container spacing={3}>
-                  <Grid item xs={12} md={8}>
-                    <Skeleton variant="rectangular" height={400} sx={{ borderRadius: 2 }} />
-                  </Grid>
+											<Box>
+												<Typography variant="subtitle2" color="text.secondary">Map ID</Typography>
+												<Box sx={{ display: 'flex', alignItems: 'center' }}>
+													<Typography variant="body1">{mapId}</Typography>
+													<Tooltip title="Copy ID to clipboard">
+														<IconButton
+															size="small"
+															onClick={() => handleCopyId(mapId as string)}
+															sx={{ ml: 1, p: 0 }}
+														>
+															<ContentCopyIcon fontSize="small" />
+														</IconButton>
+													</Tooltip>
+												</Box>
+											</Box>
 
-                  <Grid item xs={12} md={4}>
-                    <Skeleton variant="rectangular" height={200} sx={{ borderRadius: 2, mb: 3 }} />
-                    <Skeleton variant="text" width="90%" />
-                    <Skeleton variant="text" width="70%" />
-                    <Skeleton variant="text" width="80%" />
-                    <Skeleton variant="rectangular" height={100} sx={{ borderRadius: 2, mt: 3 }} />
-                  </Grid>
-                </Grid>
-              </Box>
-          ) : (
-              map && (
-                  <>
-                    {/* Map Header */}
-                    <Box sx={{ mb: 4 }}>
-                      <Box sx={{ display: 'flex', alignItems: 'center', flexWrap: 'wrap', gap: 2 }}>
-                        <Typography variant="h3" component="h1" sx={{ fontWeight: 'bold' }}>
-                          {map.DisplayName}
-                        </Typography>
+											{/* Active Mapfix in Map Details */}
+											{mapfixes.length > 0 && (() => {
+												const active = mapfixes.find(fix => fix.StatusID <= MapfixStatus.Validated);
+												const latest = mapfixes.reduce((a, b) => (a.CreatedAt > b.CreatedAt ? a : b));
+												const showFix = active || latest;
+												return (
+													<Box>
+														<Typography variant="subtitle2" color="text.secondary">
+															Active Mapfix
+														</Typography>
+														<Box sx={{ display: 'flex', alignItems: 'center' }}>
+															<Typography
+																variant="body2"
+																component={Link}
+																href={`/mapfixes/${showFix.ID}`}
+																sx={{
+																	textDecoration: 'underline',
+																	cursor: 'pointer',
+																	color: 'primary.main',
+																	display: 'flex',
+																	alignItems: 'center',
+																	gap: 0.5,
+																	mt: 0.5
+																}}
+															>
+																{showFix.Description}
+																<LaunchIcon sx={{ fontSize: '1rem', ml: 0.5 }} />
+															</Typography>
+														</Box>
+													</Box>
+												);
+											})()}
+										</Stack>
+									</Paper>
 
-                        {map.GameID && (
-                            <Chip
-                                label={getGameInfo(map.GameID).name}
-                                sx={{
-                                  bgcolor: getGameInfo(map.GameID).color,
-                                  color: '#fff',
-                                  fontWeight: 'bold',
-                                  fontSize: '0.9rem',
-                                  height: 32
-                                }}
-                            />
-                        )}
-                      </Box>
+									<Paper elevation={3} sx={{ p: 3, borderRadius: 2 }}>
+										<Button
+											fullWidth
+											variant="contained"
+											color="primary"
+											startIcon={<BugReportIcon />}
+											onClick={handleSubmitMapfix}
+											size="large"
+										>
+											Submit a Mapfix
+										</Button>
+									</Paper>
+								</Grid>
+							</Grid>
+						</>
+					)
+				)}
 
-                      <Box sx={{ display: 'flex', alignItems: 'center', mt: 2, flexWrap: 'wrap', gap: { xs: 2, sm: 3 } }}>
-                        <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                          <PersonIcon sx={{ mr: 1, color: 'primary.main' }} />
-                          <Typography variant="body1">
-                            <strong>Created by:</strong> {map.Creator}
-                          </Typography>
-                        </Box>
-
-                        <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                          <CalendarTodayIcon sx={{ mr: 1, color: 'primary.main' }} />
-                          <Typography variant="body1">
-                            {formatDate(map.Date)}
-                          </Typography>
-                        </Box>
-
-                        <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                          <FlagIcon sx={{ mr: 1, color: 'primary.main' }} />
-                          <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                            <Typography variant="body1">
-                              <strong>ID:</strong> {mapId}
-                            </Typography>
-                            <Tooltip title="Copy ID to clipboard">
-                              <IconButton
-                                  size="small"
-                                  onClick={() => handleCopyId(mapId as string)}
-                                  sx={{ ml: 1 }}
-                              >
-                                <ContentCopyIcon fontSize="small" />
-                              </IconButton>
-                            </Tooltip>
-                          </Box>
-                        </Box>
-                        {!loading && hasRole(roles,RolesConstants.MapDownload) && (
-                          <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                            <InsertDriveFileIcon sx={{ mr: 1, color: 'primary.main' }} />
-                            <Typography variant="body1">
-                              Download
-                            </Typography>
-                            <Tooltip title="File extension must be changed to .rbxm manually">
-                              <IconButton
-                                size="small"
-                                onClick={handleDownload}
-                                sx={{ ml: 1 }}
-                                disabled={downloading}
-                              >
-                                <DownloadIcon fontSize="small" />
-                              </IconButton>
-                            </Tooltip>
-                          </Box>
-                        )}
-                      </Box>
-                    </Box>
-
-                    <Grid container spacing={3}>
-                      {/* Map Preview Section */}
-                      <Grid item xs={12} md={8}>
-                        <Paper
-                            elevation={3}
-                            sx={{
-                              borderRadius: 2,
-                              overflow: 'hidden',
-                              position: 'relative'
-                            }}
-                        >
-                          <CardMedia
-                              component="img"
-                              image={`/thumbnails/asset/${map.ID}`}
-                              alt={`Preview of map: ${map.DisplayName}`}
-                              sx={{
-                                height: 400,
-                                objectFit: 'cover',
-                              }}
-                          />
-                        </Paper>
-                      </Grid>
-
-                      {/* Map Details Section */}
-                      <Grid item xs={12} md={4}>
-                        <Paper elevation={3} sx={{ p: 3, borderRadius: 2, mb: 3 }}>
-                          <Typography variant="h6" gutterBottom>Map Details</Typography>
-                          <Divider sx={{ mb: 2 }} />
-
-                          <Stack spacing={2}>
-                            <Box>
-                              <Typography variant="subtitle2" color="text.secondary">Display Name</Typography>
-                              <Typography variant="body1">{map.DisplayName}</Typography>
-                            </Box>
-
-                            <Box>
-                              <Typography variant="subtitle2" color="text.secondary">Creator</Typography>
-                              <Typography variant="body1">{map.Creator}</Typography>
-                            </Box>
-
-                            <Box>
-                              <Typography variant="subtitle2" color="text.secondary">Game Type</Typography>
-                              <Typography variant="body1">{getGameInfo(map.GameID).name}</Typography>
-                            </Box>
-
-                            <Box>
-                              <Typography variant="subtitle2" color="text.secondary">Release Date</Typography>
-                              <Typography variant="body1">{formatDate(map.Date)}</Typography>
-                            </Box>
-
-                            <Box>
-                              <Typography variant="subtitle2" color="text.secondary">Map ID</Typography>
-                              <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                                <Typography variant="body1">{mapId}</Typography>
-                                <Tooltip title="Copy ID to clipboard">
-                                  <IconButton
-                                      size="small"
-                                      onClick={() => handleCopyId(mapId as string)}
-                                      sx={{ ml: 1, p: 0 }}
-                                  >
-                                    <ContentCopyIcon fontSize="small" />
-                                  </IconButton>
-                                </Tooltip>
-                              </Box>
-                            </Box>
-
-                            {/* Active Mapfix in Map Details */}
-                            {mapfixes.length > 0 && (() => {
-                              const active = mapfixes.find(fix => fix.StatusID <= MapfixStatus.Validated);
-                              const latest = mapfixes.reduce((a, b) => (a.CreatedAt > b.CreatedAt ? a : b));
-                              const showFix = active || latest;
-                              return (
-                                <Box>
-                                  <Typography variant="subtitle2" color="text.secondary">
-                                    Active Mapfix
-                                  </Typography>
-                                  <Box sx={{ display: 'flex', alignItems: 'center' }}>
-                                    <Typography
-                                      variant="body2"
-                                      component={Link}
-                                      href={`/mapfixes/${showFix.ID}`}
-                                      sx={{
-                                        textDecoration: 'underline',
-                                        cursor: 'pointer',
-                                        color: 'primary.main',
-                                        display: 'flex',
-                                        alignItems: 'center',
-                                        gap: 0.5,
-                                        mt: 0.5
-                                      }}
-                                    >
-                                      {showFix.Description}
-                                      <LaunchIcon sx={{ fontSize: '1rem', ml: 0.5 }} />
-                                    </Typography>
-                                  </Box>
-                                </Box>
-                              );
-                            })()}
-                          </Stack>
-                        </Paper>
-
-                        <Paper elevation={3} sx={{ p: 3, borderRadius: 2 }}>
-                          <Button
-                              fullWidth
-                              variant="contained"
-                              color="primary"
-                              startIcon={<BugReportIcon />}
-                              onClick={handleSubmitMapfix}
-                              size="large"
-                          >
-                            Submit a Mapfix
-                          </Button>
-                        </Paper>
-                      </Grid>
-                    </Grid>
-                  </>
-              )
-          )}
-
-          <Snackbar
-              open={copySuccess}
-              autoHideDuration={3000}
-              onClose={handleCloseSnackbar}
-              anchorOrigin={{ vertical: 'bottom', horizontal: 'left' }}
-          >
-            <Alert onClose={handleCloseSnackbar} severity="success" sx={{ width: '100%' }}>
-              Map ID copied to clipboard!
-            </Alert>
-          </Snackbar>
-        </Container>
-      </Webpage>
-  );
+				<Snackbar
+					open={copySuccess}
+					autoHideDuration={3000}
+					onClose={handleCloseSnackbar}
+					anchorOrigin={{ vertical: 'bottom', horizontal: 'left' }}
+				>
+					<Alert onClose={handleCloseSnackbar} severity="success" sx={{ width: '100%' }}>
+						Map ID copied to clipboard!
+					</Alert>
+				</Snackbar>
+			</Container>
+		</Webpage>
+	);
 }

web/src/app/maps/page.tsx

@@ -27,7 +27,7 @@ import {Search as SearchIcon} from "@mui/icons-material";
 import Link from "next/link";
 import NavigateNextIcon from "@mui/icons-material/NavigateNext";
 import {useTitle} from "@/app/hooks/useTitle";
-import {thumbnailLoader} from '@/app/lib/thumbnailLoader';
+import { useBatchThumbnails } from "@/app/hooks/useBatchThumbnails";
 
 interface Map {
     ID: number;
@@ -77,11 +77,6 @@ export default function MapsPage() {
         fetchMaps();
     }, []);
 
-    const handleGameFilterChange = (event: SelectChangeEvent) => {
-        setGameFilter(event.target.value);
-        setCurrentPage(1);
-    };
-
     // Filter maps based on search query and game filter
     const filteredMaps = maps.filter(map => {
         const matchesSearch =
@@ -101,6 +96,13 @@ export default function MapsPage() {
         (currentPage - 1) * mapsPerPage,
         currentPage * mapsPerPage
     );
+    const currentMapIdsArr = currentMaps.map(m => m.ID);
+    const { thumbnails } = useBatchThumbnails(currentMapIdsArr);
+
+    const handleGameFilterChange = (event: SelectChangeEvent) => {
+        setGameFilter(event.target.value);
+        setCurrentPage(1);
+    };
 
     const handlePageChange = (_event: React.ChangeEvent<unknown>, page: number) => {
         setCurrentPage(page);
@@ -262,13 +264,19 @@ export default function MapsPage() {
                                                     >
                                                         {getGameName(map.GameID)}
                                                     </Box>
-                                                    <Image
-                                                        loader={thumbnailLoader}
-                                                        src={`/thumbnails/asset/${map.ID}`}
-                                                        alt={map.DisplayName}
-                                                        fill
-                                                        style={{objectFit: 'cover'}}
-                                                    />
+                                                    {thumbnails[map.ID] ? (
+                                                        <Image
+                                                            src={thumbnails[map.ID]}
+                                                            alt={map.DisplayName}
+                                                            fill
+                                                            style={{ objectFit: 'cover' }}
+                                                            loading="eager"
+                                                        />
+                                                    ) : (
+                                                        <Box sx={{ width: '100%', height: '100%', display: 'flex', alignItems: 'center', justifyContent: 'center', bgcolor: 'grey.900' }}>
+                                                            <CircularProgress size={32} />
+                                                        </Box>
+                                                    )}
                                                 </CardMedia>
                                                 <CardContent>
                                                     <Typography variant="h6" component="h2" noWrap>

web/src/app/page.tsx

@@ -16,6 +16,9 @@ import Link from "next/link";
 import {SubmissionInfo, SubmissionList} from "@/app/ts/Submission";
 import {Carousel} from "@/app/_components/carousel";
 import {useTitle} from "@/app/hooks/useTitle";
+import { useBatchThumbnails } from "@/app/hooks/useBatchThumbnails";
+import { useBatchUserAvatars } from "@/app/hooks/useBatchUserAvatars";
+import { useBatchUsernames } from "@/app/hooks/useBatchUsernames";
 
 export default function Home() {
 	useTitle("Home");
@@ -73,6 +76,19 @@ export default function Home() {
 		};
 	}, []);
 
+	const submissionAssetIds = submissions?.Submissions.map(s => s.AssetID) ?? [];
+	const mapfixAssetIds = mapfixes?.Mapfixes.map(m => m.AssetID) ?? [];
+	const { thumbnails: submissionThumbnails } = useBatchThumbnails(submissionAssetIds);
+	const { thumbnails: mapfixThumbnails } = useBatchThumbnails(mapfixAssetIds);
+
+	// Collect unique submitter IDs for avatar and username fetching
+	const submissionAuthorIds = submissions ? Array.from(new Set(submissions.Submissions.map(s => s.Submitter))) : [];
+	const mapfixAuthorIds = mapfixes ? Array.from(new Set(mapfixes.Mapfixes.map(m => m.Submitter))) : [];
+	const { avatars: submissionAvatars } = useBatchUserAvatars(submissionAuthorIds);
+	const { avatars: mapfixAvatars } = useBatchUserAvatars(mapfixAuthorIds);
+	const { usernames: submissionUsernames } = useBatchUsernames(submissionAuthorIds);
+	const { usernames: mapfixUsernames } = useBatchUsernames(mapfixAuthorIds);
+
 	const isLoading: boolean = isLoadingMapfixes || isLoadingSubmissions;
 
 	if (isLoading && (!mapfixes || !submissions)) {
@@ -102,12 +118,15 @@ export default function Home() {
 			assetId={mapfix.AssetID}
 			displayName={mapfix.DisplayName}
 			author={mapfix.Creator}
-			authorId={mapfix.Submitter}
+			submitterId={mapfix.Submitter}
+			submitterUsername={mapfixUsernames[mapfix.Submitter] || String(mapfix.Submitter)}
 			rating={mapfix.StatusID}
 			statusID={mapfix.StatusID}
 			gameID={mapfix.GameID}
 			created={mapfix.CreatedAt}
 			type="mapfix"
+			thumbnailUrl={mapfixThumbnails[mapfix.AssetID]}
+			authorAvatarUrl={mapfixAvatars[mapfix.Submitter]}
 		/>
 	);
 
@@ -118,12 +137,15 @@ export default function Home() {
 			assetId={submission.AssetID}
 			displayName={submission.DisplayName}
 			author={submission.Creator}
-			authorId={submission.Submitter}
+			submitterId={submission.Submitter}
+			submitterUsername={submissionUsernames[submission.Submitter] || String(submission.Submitter)}
 			rating={submission.StatusID}
 			statusID={submission.StatusID}
 			gameID={submission.GameID}
 			created={submission.CreatedAt}
 			type="submission"
+			thumbnailUrl={submissionThumbnails[submission.AssetID]}
+			authorAvatarUrl={submissionAvatars[submission.Submitter]}
 		/>
 	);
 

web/src/app/proxy/users/[userId]/route.ts

@@ -1,31 +0,0 @@
-import { NextResponse } from 'next/server';
-
-export async function GET(
-    request: Request,
-    { params }: { params: Promise<{ userId: string }> }
-) {
-    const { userId } = await params;
-
-    if (!userId) {
-        return NextResponse.json({ error: 'User ID is required' }, { status: 400 });
-    }
-
-    try {
-        const apiResponse = await fetch(`https://users.roblox.com/v1/users/${userId}`);
-
-        if (!apiResponse.ok) {
-            const errorData = await apiResponse.text();
-            return NextResponse.json({ error: `Failed to fetch from Roblox API: ${errorData}` }, { status: apiResponse.status });
-        }
-
-        const data = await apiResponse.json();
-
-        // Add caching headers to the response
-        const headers = new Headers();
-        headers.set('Cache-Control', 'public, max-age=3600, s-maxage=3600'); // Cache for 1 hour
-
-        return NextResponse.json(data, { headers });
-    } catch {
-        return NextResponse.json({ error: 'Internal Server Error' }, { status: 500 });
-    }
-}

web/src/app/proxy/users/batch/RobloxUserInfo.ts

@@ -0,0 +1,6 @@
+// Roblox user info type for batch endpoint
+export interface RobloxUserInfo {
+	id: number;
+	name: string;
+	displayName: string;
+}

web/src/app/proxy/users/batch/route.ts

@@ -0,0 +1,99 @@
+// NOTE: This API endpoint proxies Roblox user info in batch and implements in-memory rate limiting.
+// For production, this logic should be moved to a dedicated backend API server (not serverless/edge)
+// to allow for robust, distributed rate limiting and to avoid leaking your Roblox API quota.
+//
+// If you are behind a CDN/proxy, ensure you trust the IP headers.
+// Consider using Redis or another distributed store for rate limiting in production.
+
+import { checkRateLimit } from '@/lib/rateLimit';
+import { NextResponse } from 'next/server';
+import { getClientIp } from '@/lib/getClientIp';
+import { createGlobalRateLimiter } from '@/lib/globalRateLimit';
+import type { RobloxUserInfo } from './RobloxUserInfo';
+
+const checkGlobalRateLimit = createGlobalRateLimiter(500, 5 * 60 * 1000); // 500 per 5 min
+
+const VALIDATOR_USER_ID = 9223372036854776000;
+
+const USER_CACHE_TTL = 6 * 60 * 60 * 1000; // 6 hours
+const userInfoCache = new Map<number, { info: RobloxUserInfo, expires: number }>();
+let lastUserCacheCleanup = 0;
+
+export async function GET(request: Request) {
+	const url = new URL(request.url);
+	const idsParam = url.searchParams.get('ids');
+	const ip = getClientIp(request);
+	if (!checkRateLimit(ip)) {
+		return NextResponse.json({ error: 'Too many requests. Please try again later.' }, { status: 429 });
+	}
+	if (!checkGlobalRateLimit()) {
+		return NextResponse.json({ error: 'Server busy. Please try again later.' }, { status: 429 });
+	}
+	if (!idsParam) {
+		return NextResponse.json({ error: 'Missing ids parameter' }, { status: 400 });
+	}
+	let userIds = idsParam
+		.split(',')
+		.map(Number)
+		.filter(id => Number.isInteger(id) && id > 0 && id !== VALIDATOR_USER_ID);
+	// De-duplicate
+	userIds = Array.from(new Set(userIds));
+	if (userIds.length === 0) {
+		return NextResponse.json({ error: 'No valid user IDs provided' }, { status: 400 });
+	}
+	if (userIds.length > 50) {
+		return NextResponse.json({ error: 'Too many user IDs in batch (max 50)' }, { status: 400 });
+	}
+
+	const now = Date.now();
+	// Cleanup expired cache entries
+	if (now - lastUserCacheCleanup > USER_CACHE_TTL) {
+		for (const [id, entry] of userInfoCache.entries()) {
+			if (entry.expires <= now) userInfoCache.delete(id);
+		}
+		lastUserCacheCleanup = now;
+	}
+
+	const result: RobloxUserInfo[] = [];
+	const idsToFetch: number[] = [];
+	const cachedMap: Record<number, RobloxUserInfo> = {};
+	for (const id of userIds) {
+		const cached = userInfoCache.get(id);
+		if (cached && cached.expires > now) {
+			cachedMap[id] = cached.info;
+			result.push(cached.info);
+		} else {
+			idsToFetch.push(id);
+		}
+	}
+
+	if (idsToFetch.length > 0) {
+		try {
+			const apiResponse = await fetch('https://users.roblox.com/v1/users', {
+				method: 'POST',
+				headers: { 'Content-Type': 'application/json' },
+				body: JSON.stringify({ userIds: idsToFetch }),
+			});
+			if (!apiResponse.ok) {
+				const errorData = await apiResponse.text();
+				return NextResponse.json({ error: `Failed to fetch from Roblox API: ${errorData}` }, { status: apiResponse.status });
+			}
+			const data = await apiResponse.json();
+			for (const user of data.data || []) {
+				userInfoCache.set(user.id, { info: user, expires: now + USER_CACHE_TTL });
+				result.push(user);
+			}
+		} catch {
+			return NextResponse.json({ error: 'Internal Server Error' }, { status: 500 });
+		}
+	}
+
+	// Ensure result order matches input order
+	const ordered = userIds.map(id => {
+		return userInfoCache.get(id)?.info || cachedMap[id] || null;
+	});
+
+	const headers = new Headers();
+	headers.set('Cache-Control', 'public, max-age=3600, s-maxage=3600');
+	return NextResponse.json({ data: ordered }, { headers });
+}

web/src/app/submissions/[submissionId]/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 import Webpage from "@/app/_components/webpage";
 import { useParams, useRouter } from "next/navigation";
-import {useState} from "react";
+import { useState } from "react";
 import Link from "next/link";
 
 // MUI Components
@@ -14,6 +14,7 @@ import {
 	Skeleton,
 	Grid,
 	CardMedia,
+	CircularProgress,
 	Snackbar,
 	Alert,
 } from "@mui/material";
@@ -26,6 +27,9 @@ import ReviewButtons from "@/app/_components/review/ReviewButtons";
 import {useReviewData} from "@/app/hooks/useReviewData";
 import {SubmissionInfo} from "@/app/ts/Submission";
 import {useTitle} from "@/app/hooks/useTitle";
+import {useBatchThumbnails} from "@/app/hooks/useBatchThumbnails";
+import { useBatchUserAvatars } from "@/app/hooks/useBatchUserAvatars";
+import { useBatchUsernames } from "@/app/hooks/useBatchUsernames";
 
 interface SnackbarState {
 	open: boolean;
@@ -42,22 +46,6 @@ export default function SubmissionDetailsPage() {
 		message: null,
 		severity: 'success'
 	});
-	const showSnackbar = (message: string, severity: 'success' | 'error' | 'info' | 'warning' = 'success') => {
-		setSnackbar({
-			open: true,
-			message,
-			severity
-		});
-	};
-
-	const handleCloseSnackbar = () => {
-		setSnackbar({
-			...snackbar,
-			open: false
-		});
-	};
-
-
 	const validatorUser = 9223372036854776000;
 
 	const {
@@ -76,6 +64,45 @@ export default function SubmissionDetailsPage() {
 
 	useTitle(submission ? `${submission.DisplayName} Submission` : 'Loading Submission...');
 
+	// Gather all user IDs and asset IDs needed for batch requests
+	const submitterId = submission?.Submitter;
+	const commentUserIds = auditEvents ? Array.from(new Set(auditEvents.map(ev => ev.User))) : [];
+	const allUserIds = [submitterId, ...commentUserIds].filter(Boolean);
+	const assetIds = submission?.AssetID ? [submission.AssetID] : [];
+
+	// Batch fetch at the page level
+	const { thumbnails: thumbnailUrls } = useBatchThumbnails(assetIds);
+	const { avatars: avatarUrls } = useBatchUserAvatars(allUserIds);
+	const { usernames: usernameMap } = useBatchUsernames(allUserIds);
+
+	// Prepare avatar map for CommentsAndAuditSection (comments)
+	const commentUserAvatarUrls: Record<number, string> = {};
+	for (const uid of commentUserIds) {
+		if (avatarUrls[uid]) commentUserAvatarUrls[uid] = avatarUrls[uid];
+	}
+
+	// Prepare avatar map for CommentsAndAuditSection (audit events)
+	const auditEventUserIds = auditEvents ? Array.from(new Set(auditEvents.map(ev => ev.User))) : [];
+	const auditEventUserAvatarUrls: Record<number, string> = {};
+	for (const uid of auditEventUserIds) {
+		if (avatarUrls[uid]) auditEventUserAvatarUrls[uid] = avatarUrls[uid];
+	}
+
+	const showSnackbar = (message: string, severity: 'success' | 'error' | 'info' | 'warning' = 'success') => {
+		setSnackbar({
+			open: true,
+			message,
+			severity
+		});
+	};
+
+	const handleCloseSnackbar = () => {
+		setSnackbar({
+			...snackbar,
+			open: false
+		});
+	};
+
 	// Handle review button actions
 	async function handleReviewAction(action: string, submissionId: number) {
 		try {
@@ -204,12 +231,27 @@ export default function SubmissionDetailsPage() {
 					<Grid item xs={12} md={4}>
 						<Paper elevation={3} sx={{ borderRadius: 2, overflow: 'hidden', mb: 3 }}>
 							{submission.AssetID ? (
-								<CardMedia
-									component="img"
-									image={`/thumbnails/asset/${submission.AssetID}`}
-									alt="Map Thumbnail"
-									sx={{ width: '100%', aspectRatio: '1/1', objectFit: 'cover' }}
-								/>
+								thumbnailUrls[submission.AssetID] ? (
+									<CardMedia
+										component="img"
+										image={thumbnailUrls[submission.AssetID]}
+										alt="Map Thumbnail"
+										sx={{ width: '100%', aspectRatio: '1/1', objectFit: 'cover' }}
+									/>
+								) : (
+									<Box
+										sx={{
+											width: '100%',
+											aspectRatio: '1/1',
+											bgcolor: 'grey.900',
+											display: 'flex',
+											alignItems: 'center',
+											justifyContent: 'center'
+										}}
+									>
+										<CircularProgress size={32} />
+									</Box>
+								)
 							) : (
 								<Box
 									sx={{
@@ -220,7 +262,7 @@ export default function SubmissionDetailsPage() {
 										alignItems: 'center',
 										justifyContent: 'center'
 									}}
-								>
+									>
 									<Typography variant="body2" color="text.secondary">No image available</Typography>
 								</Box>
 							)}
@@ -234,14 +276,14 @@ export default function SubmissionDetailsPage() {
 							roles={roles}
 							type="submission"/>
 					</Grid>
-
 					{/* Right Column - Submission Details and Comments */}
 					<Grid item xs={12} md={8}>
 						<ReviewItem
 							item={submission}
 							handleCopyValue={handleCopyId}
+							submitterAvatarUrl={avatarUrls[submitterId]}
+							submitterUsername={usernameMap[submitterId]}
 						/>
-
 						{/* Comments Section */}
 						<CommentsAndAuditSection
 							auditEvents={auditEvents}
@@ -250,6 +292,8 @@ export default function SubmissionDetailsPage() {
 							handleCommentSubmit={handleCommentSubmit}
 							validatorUser={validatorUser}
 							userId={user}
+							commentUserAvatarUrls={commentUserAvatarUrls}
+							auditEventUserAvatarUrls={auditEventUserAvatarUrls}
 						/>
 					</Grid>
 				</Grid>

web/src/app/submissions/page.tsx

@@ -16,6 +16,9 @@ import {
 import Link from "next/link";
 import NavigateNextIcon from "@mui/icons-material/NavigateNext";
 import {useTitle} from "@/app/hooks/useTitle";
+import { useBatchThumbnails } from "@/app/hooks/useBatchThumbnails";
+import { useBatchUserAvatars } from "@/app/hooks/useBatchUserAvatars";
+import { useBatchUsernames } from "@/app/hooks/useBatchUsernames";
 
 export default function SubmissionInfoPage() {
 	useTitle("Submissions");
@@ -55,6 +58,14 @@ export default function SubmissionInfoPage() {
 		return () => controller.abort();
 	}, [currentPage]);
 
+	const assetIds = submissions?.Submissions.map(s => s.AssetID) ?? [];
+	const { thumbnails: thumbnailUrls } = useBatchThumbnails(assetIds);
+
+	// Collect submitter user IDs and fetch their avatars
+	const submitterIds = submissions?.Submissions.map(s => s.Submitter) ?? [];
+	const { avatars: submitterAvatars } = useBatchUserAvatars(submitterIds);
+	const { usernames: submitterUsernames } = useBatchUsernames(submitterIds);
+
 	if (isLoading || !submissions) {
 		return (
 			<Webpage>
@@ -123,12 +134,15 @@ export default function SubmissionInfoPage() {
 								assetId={submission.AssetID}
 								displayName={submission.DisplayName}
 								author={submission.Creator}
-								authorId={submission.Submitter}
+								submitterId={submission.Submitter}
+								submitterUsername={submitterUsernames[submission.Submitter] || String(submission.Submitter)}
 								rating={submission.StatusID}
 								statusID={submission.StatusID}
 								gameID={submission.GameID}
 								created={submission.CreatedAt}
 								type="submission"
+								thumbnailUrl={thumbnailUrls[submission.AssetID]}
+								authorAvatarUrl={submitterAvatars[submission.Submitter]}
 							/>
 						))}
 					</Box>

web/src/app/thumbnails/asset/[assetId]/route.tsx

@@ -1,55 +0,0 @@
-import { NextRequest, NextResponse } from 'next/server';
-import { errorImageResponse } from '@/app/lib/errorImageResponse';
-
-export async function GET(
-	request: NextRequest,
-	context: { params: Promise<{ assetId: number }> }
-): Promise<NextResponse> {
-	const { assetId } = await context.params;
-
-	if (!assetId) {
-		return errorImageResponse(400, {
-			message: "Missing asset ID",
-		})
-	}
-
-	let finalAssetId = assetId;
-
-	try {
-		const mediaResponse = await fetch(
-			`https://publish.roblox.com/v1/assets/${assetId}/media` // NOTE: This allows users to add custom images(their own thumbnail if they'd like) to their maps
-		);
-		if (mediaResponse.ok) {
-			const mediaData = await mediaResponse.json();
-			if (mediaData.data && mediaData.data.length > 0) {
-				finalAssetId = mediaData.data[0].toString();
-			}
-		}
-	} catch { }
-
-	try {
-		const response = await fetch(
-			`https://thumbnails.roblox.com/v1/assets?format=png&size=512x512&assetIds=${finalAssetId}`
-		);
-
-		if (!response.ok) {
-			throw new Error(`Failed to fetch thumbnail JSON [${response.status}]`)
-		}
-
-		const data = await response.json();
-
-		const imageUrl = data.data[0]?.imageUrl;
-		if (!imageUrl) {
-			return errorImageResponse(404, {
-				message: "No image URL found in the response",
-			})
-		}
-
-		// Redirect to the actual image URL instead of proxying
-		return NextResponse.redirect(imageUrl);
-	} catch (err) {
-		return errorImageResponse(500, {
-			message: `Failed to fetch thumbnail URL: ${err}`,
-		})
-	}
-}

web/src/app/thumbnails/batch/route.ts

@@ -0,0 +1,133 @@
+// NOTE: This API endpoint proxies Roblox asset and user avatar thumbnails and implements in-memory rate limiting.
+// For production, this logic should be moved to a dedicated backend API server (not serverless/edge)
+// to allow for robust, distributed rate limiting and to avoid leaking your Roblox API quota.
+//
+// If you are behind a CDN/proxy, ensure you trust the IP headers.
+//
+// Consider using Redis or another distributed store for rate limiting in production.
+
+import { NextRequest, NextResponse } from 'next/server';
+import { checkRateLimit } from '@/lib/rateLimit';
+import { getClientIp } from '@/lib/getClientIp';
+import { createGlobalRateLimiter } from '@/lib/globalRateLimit';
+
+const CACHE_TTL = 6 * 60 * 60 * 1000; // 6 hours
+const CACHE_CLEANUP_INTERVAL = 60 * 60 * 1000; // 1 hour
+const assetImageCache = new Map<number, { url: string, expires: number }>();
+const userImageCache = new Map<number, { url: string, expires: number }>();
+
+// Cleanup state
+let lastCacheCleanup = 0;
+
+// Global rate limiting
+const checkGlobalRateLimit = createGlobalRateLimiter(500, 5 * 60 * 1000); // 500 per 5 min
+
+const VALIDATOR_USER_ID = 9223372036854776000;
+
+type RobloxThumbnailData = {
+	targetId: number;
+	imageUrl?: string;
+};
+
+export async function GET(request: NextRequest) {
+	const ip = getClientIp(request);
+	if (!checkRateLimit(ip)) {
+		return NextResponse.json({ error: 'Too many requests. Please try again later.' }, { status: 429 });
+	}
+	if (!checkGlobalRateLimit()) {
+		return NextResponse.json({ error: 'Server busy. Please try again later.' }, { status: 429 });
+	}
+
+	const now = Date.now();
+	// Cleanup cache if needed
+	if (now - lastCacheCleanup > CACHE_CLEANUP_INTERVAL) {
+		for (const [id, entry] of assetImageCache.entries()) {
+			if (entry.expires <= now) assetImageCache.delete(id);
+		}
+		for (const [id, entry] of userImageCache.entries()) {
+			if (entry.expires <= now) userImageCache.delete(id);
+		}
+		lastCacheCleanup = now;
+	}
+
+	const url = new URL(request.url);
+	const idsParam = url.searchParams.get('ids');
+	const type = url.searchParams.get('type') || 'asset';
+	if (!idsParam) {
+		return NextResponse.json({ error: 'Missing ids parameter' }, { status: 400 });
+	}
+	let ids = idsParam
+		.split(',')
+		.map(Number)
+		.filter(id => Number.isInteger(id) && id > 0 && id !== VALIDATOR_USER_ID);
+	// De-duplicate
+	ids = Array.from(new Set(ids));
+	if (ids.length === 0) {
+		return NextResponse.json({ error: 'No valid IDs provided' }, { status: 400 });
+	}
+	if (ids.length > 50) {
+		return NextResponse.json({ error: 'Too many IDs in batch (max 50)' }, { status: 400 });
+	}
+	const result: Record<number, string | null> = {};
+	const idsToFetch: number[] = [];
+
+	const cache = type === 'user' ? userImageCache : assetImageCache;
+
+	for (const id of ids) {
+		const cached = cache.get(id);
+		if (cached && cached.expires > now) {
+			result[id] = cached.url;
+		} else {
+			idsToFetch.push(id);
+		}
+	}
+
+	for (let i = 0; i < idsToFetch.length; i += 50) {
+		const batch = idsToFetch.slice(i, i + 50);
+		let robloxUrl = '';
+		let finalBatch = batch;
+		if (type === 'asset') {
+			finalBatch = [];
+			for (const assetId of batch) {
+				let finalAssetId = assetId;
+				try {
+					const mediaResponse = await fetch(
+						`https://publish.roblox.com/v1/assets/${assetId}/media`
+					);
+					if (mediaResponse.ok) {
+						const mediaData = await mediaResponse.json();
+						if (mediaData.data && mediaData.data.length > 0) {
+							finalAssetId = Number(mediaData.data[0].id || mediaData.data[0]);
+						}
+					}
+				} catch {}
+				finalBatch.push(finalAssetId);
+			}
+			robloxUrl = `https://thumbnails.roblox.com/v1/assets?format=png&size=512x512&assetIds=${finalBatch.join(',')}`;
+		} else {
+			robloxUrl = `https://thumbnails.roblox.com/v1/users/avatar-headshot?userIds=${batch.join(',')}&size=100x100&format=Png&isCircular=false`;
+		}
+		const response = await fetch(robloxUrl);
+		if (!response.ok) {
+			for (const id of batch) {
+				result[id] = null;
+			}
+			continue;
+		}
+		const data = await response.json();
+		for (let j = 0; j < batch.length; j++) {
+			const id = batch[j];
+			const lookupId = type === 'asset' ? finalBatch[j] : id;
+			const found = (data.data as RobloxThumbnailData[]).find(d => String(d.targetId) === String(lookupId));
+			const imageUrl = found?.imageUrl || null;
+			if (imageUrl) {
+				cache.set(id, { url: imageUrl, expires: now + CACHE_TTL });
+				result[id] = imageUrl;
+			} else {
+				result[id] = null;
+			}
+		}
+	}
+
+	return NextResponse.json(result);
+}

web/src/app/thumbnails/maps/[mapId]/route.tsx

@@ -1,20 +0,0 @@
-import { NextRequest, NextResponse } from "next/server"
-
-export async function GET(
-    request: NextRequest,
-    context: { params: Promise<{ mapId: string }> }
-): Promise<NextResponse> {
-    // TODO: implement this, we need a cdn for in-game map thumbnails...
-
-    if (!process.env.API_HOST) {
-        throw new Error('env variable "API_HOST" is not set')
-    }
-    
-    const { mapId } = await context.params
-
-    const apiHost = process.env.API_HOST.replace(/\/api\/?$/, "")
-    const redirectPath = `/thumbnails/asset/${mapId}`
-    const redirectUrl = `${apiHost}${redirectPath}`
-
-    return NextResponse.redirect(redirectUrl)
-}

web/src/app/thumbnails/user/[userId]/route.tsx

@@ -1,44 +0,0 @@
-import { NextRequest, NextResponse } from 'next/server';
-
-export async function GET(
-	request: NextRequest,
-	context: { params: Promise<{ userId: number }> }
-): Promise<NextResponse> {
-	const { userId } = await context.params; // Await params to access userId
-
-	if (!userId) {
-		return NextResponse.json(
-			{ error: 'Missing userId parameter' },
-			{ status: 400 }
-		);
-	}
-
-	try {
-		const response = await fetch(
-			`https://thumbnails.roblox.com/v1/users/avatar-headshot?userIds=${userId}&size=420x420&format=Png&isCircular=false`
-		);
-
-		if (!response.ok) {
-			throw new Error('Failed to fetch avatar headshot JSON');
-		}
-
-		const data = await response.json();
-
-		const imageUrl = data.data[0]?.imageUrl;
-		if (!imageUrl) {
-			return NextResponse.json(
-				{ error: 'No image URL found in the response' },
-				{ status: 404 }
-			);
-		}
-
-		// Redirect to the image URL instead of proxying
-		return NextResponse.redirect(imageUrl);
-
-	} catch {
-		return NextResponse.json(
-			{ error: 'Failed to fetch avatar headshot URL' },
-			{ status: 500 }
-		);
-	}
-}

web/src/lib/getClientIp.ts

@@ -0,0 +1,16 @@
+import { NextRequest } from 'next/server';
+
+/**
+ * Extracts the client IP address from a Next.js request, trusting only proxy headers.
+ * Only use this if you are behind a trusted proxy (e.g., nginx).
+ */
+export function getClientIp(request: NextRequest | Request): string {
+	// X-Forwarded-For may be a comma-separated list. The left-most is the original client.
+	const xff = request.headers.get('x-forwarded-for');
+	if (xff) {
+		return xff.split(',')[0].trim();
+	}
+	const xRealIp = request.headers.get('x-real-ip');
+	if (xRealIp) return xRealIp.trim();
+	return 'unknown';
+}

web/src/lib/globalRateLimit.ts

@@ -0,0 +1,18 @@
+/**
+ * Returns a global rate limiter function with its own state.
+ * Usage: const checkGlobalRateLimit = createGlobalRateLimiter(500, 5 * 60 * 1000);
+ */
+export function createGlobalRateLimiter(limit: number, windowMs: number) {
+	let count = 0;
+	let lastReset = Date.now();
+	return function checkGlobalRateLimit() {
+		const now = Date.now();
+		if (now - lastReset > windowMs) {
+			count = 0;
+			lastReset = now;
+		}
+		if (count >= limit) return false;
+		count++;
+		return true;
+	};
+}

web/src/lib/rateLimit.ts

@@ -0,0 +1,32 @@
+// NOTE: This file is used as a shared in-memory per-IP rate limiter for all Next.js API routes that need it.
+// Not for production-scale, but good for basic abuse prevention.
+//
+// For production, use a distributed store (e.g., Redis) and import this from a shared location.
+const RATE_LIMIT_WINDOW_MS = 60 * 1000;
+const RATE_LIMIT_MAX = 30;
+
+// Map<ip, { count: number, expires: number }>
+const ipRateLimitMap = new Map<string, { count: number, expires: number }>();
+
+let lastIpRateLimitCleanup = 0;
+
+export function checkRateLimit(ip: string): boolean {
+	const now = Date.now();
+	// Cleanup expired entries if needed
+	if (now - lastIpRateLimitCleanup > RATE_LIMIT_WINDOW_MS) {
+		for (const [ip, entry] of ipRateLimitMap.entries()) {
+			if (entry.expires < now) ipRateLimitMap.delete(ip);
+		}
+		lastIpRateLimitCleanup = now;
+	}
+	const entry = ipRateLimitMap.get(ip);
+	if (!entry || entry.expires < now) {
+		ipRateLimitMap.set(ip, { count: 1, expires: now + RATE_LIMIT_WINDOW_MS });
+		return true;
+	}
+	if (entry.count >= RATE_LIMIT_MAX) {
+		return false;
+	}
+	entry.count++;
+	return true;
+}