Update index.html

index.html

@@ -120,7 +120,7 @@
         let monitoredUrlsCache = []; // Client-side cache of URL data from backend
 
         const UI_REFRESH_INTERVAL_MS = 5000; // Refresh UI data from backend every 5 seconds
-        const HISTORY_DURATION_MS_FOR_DISPLAY = 60 * 60 * 1000; // For uptime % and history bar visualization
+        const HISTORY_DURATION_MS_FOR_DISPLAY = 90 * 60 * 1000; // For uptime % and history bar visualization
         const MAX_HISTORY_POINTS_FOR_DISPLAY = 90;
 
         // --- Theme Toggle (UNCHANGED logic) ---