performance enhancements

src/components/NoteList/index.tsx

@@ -244,8 +244,20 @@ const NoteList = forwardRef(
             needSort: !areAlgoRelays
           }
         )
+        
+        // Add a fallback timeout to prevent infinite loading
+        const fallbackTimeout = setTimeout(() => {
+          if (loading) {
+            setLoading(false)
+            logger.debug('NoteList loading timeout - stopping after 6 seconds')
+          }
+        }, 6000)
+        
         setTimelineKey(timelineKey)
-        return closer
+        return () => {
+          clearTimeout(fallbackTimeout)
+          closer?.()
+        }
       }
 
       const promise = init()

src/components/ReplyNoteList/index.tsx

@@ -316,7 +316,7 @@ function ReplyNoteList({ index, event, sort = 'oldest' }: { index?: number; even
         
         const { closer, timelineKey } = await client.subscribeTimeline(
           filters.map((filter) => ({
-            urls: finalRelayUrls.slice(0, 8), // Increased from 5 to 8 for better coverage
+            urls: finalRelayUrls.slice(0, 6), // Reduced from 8 to 6 for faster response
             filter
           })),
           {
@@ -337,8 +337,19 @@ function ReplyNoteList({ index, event, sort = 'oldest' }: { index?: number; even
             }
           }
         )
+        
+        // Add a fallback timeout to prevent infinite loading
+        const fallbackTimeout = setTimeout(() => {
+          if (loading) {
+            setLoading(false)
+            logger.debug('Reply loading timeout - stopping after 8 seconds')
+          }
+        }, 8000)
         setTimelineKey(timelineKey)
-        return closer
+        return () => {
+          clearTimeout(fallbackTimeout)
+          closer?.()
+        }
       } catch {
         setLoading(false)
       }

src/lib/error-suppression.ts

@@ -28,6 +28,21 @@ export function suppressExpectedErrors() {
       return
     }
     
+    // Suppress additional network errors that are expected
+    if (message.includes('net::ERR_FAILED') && (
+      message.includes('404 (Not Found)') ||
+      message.includes('302 (Found)') ||
+      message.includes('ERR_NAME_NOT_RESOLVED') ||
+      message.includes('ERR_CONNECTION_REFUSED')
+    )) {
+      return
+    }
+    
+    // Suppress postMessage origin errors
+    if (message.includes('Failed to execute \'postMessage\' on \'DOMWindow\'')) {
+      return
+    }
+    
     // Suppress YouTube API warnings
     if (message.includes('Unrecognized feature: \'web-share\'')) {
       return

src/services/client.service.ts

@@ -59,7 +59,7 @@ class ClientService extends EventTarget {
   )
   private trendingNotesCache: NEvent[] | null = null
   private requestThrottle = new Map<string, number>() // Track request timestamps per relay
-  private readonly REQUEST_COOLDOWN = 5000 // 5 second cooldown between requests to prevent "too many REQs"
+  private readonly REQUEST_COOLDOWN = 2000 // 2 second cooldown between requests to prevent "too many REQs"
   private failureCount = new Map<string, number>() // Track consecutive failures per relay
   private readonly MAX_FAILURES = 2 // Max failures before exponential backoff (reduced from 3)
   private circuitBreaker = new Map<string, number>() // Track when relays are temporarily disabled
@@ -562,6 +562,15 @@ class ClientService extends EventTarget {
     let eosedCount = 0
     let hasCalledOnEvents = false
 
+    // Add a global timeout for the entire subscription process
+    const globalTimeout = setTimeout(() => {
+      if (!hasCalledOnEvents && events.length === 0) {
+        hasCalledOnEvents = true
+        onEvents([], true) // Call with empty events to stop loading
+        logger.debug('Global subscription timeout - stopping after 8 seconds')
+      }
+    }, 8000)
+    
     const subs = await Promise.all(
       subRequests.map(async ({ urls, filter }) => {
         // Throttle subscription requests to prevent overload
@@ -589,8 +598,10 @@ class ClientService extends EventTarget {
               // Call immediately on first events, then on threshold/completion
               if (!hasCalledOnEvents && events.length > 0) {
                 hasCalledOnEvents = true
+                clearTimeout(globalTimeout)
                 onEvents(events, eosedCount >= requestCount)
               } else if (eosedCount >= threshold) {
+                clearTimeout(globalTimeout)
                 onEvents(events, eosedCount >= requestCount)
               }
             },
@@ -611,6 +622,7 @@ class ClientService extends EventTarget {
 
     return {
       closer: () => {
+        clearTimeout(globalTimeout)
         onEvents = () => {}
         onNew = () => {}
         subs.forEach((sub) => {
@@ -680,7 +692,7 @@ class ClientService extends EventTarget {
 
       async function startSub() {
         startedCount++
-        const relay = await that.pool.ensureRelay(url, { connectionTimeout: 1500 }).catch(() => {
+        const relay = await that.pool.ensureRelay(url, { connectionTimeout: 3000 }).catch(() => {
           return undefined
         })
         // cannot connect to relay
@@ -759,7 +771,7 @@ class ClientService extends EventTarget {
             }
             return
           },
-          eoseTimeout: 8_000 // 8s
+          eoseTimeout: 5_000 // 5s (reduced from 8s)
         })
       }
     })
@@ -1846,9 +1858,9 @@ class ClientService extends EventTarget {
       }
     })
 
-    // Limit to 4 relays to prevent "too many concurrent REQs" errors
+    // Limit to 3 relays to prevent "too many concurrent REQs" errors and improve speed
-    // Reduced from 8 to 4 to reduce relay load
+    // Reduced from 4 to 3 for faster response
-    return validRelays.slice(0, 4)
+    return validRelays.slice(0, 3)
   }
 
   // ================= Utils =================

src/services/web.service.ts

@@ -9,9 +9,22 @@ class WebService {
       return await Promise.all(
         urls.map(async (url) => {
           try {
+            // Skip metadata fetching for known problematic domains to reduce CORS errors
+            const problematicDomains = [
+              'imdb.com',
+              'alby.com', 
+              'github.com',
+              'mycelium.social',
+              'void.cat'
+            ]
+            
+            if (problematicDomains.some(domain => url.includes(domain))) {
+              return {}
+            }
+            
             // Add timeout and better error handling for CORS issues
             const controller = new AbortController()
-            const timeoutId = setTimeout(() => controller.abort(), 10000) // 10 second timeout
+            const timeoutId = setTimeout(() => controller.abort(), 3000) // 3 second timeout (reduced from 5s)
             
             const res = await fetch(url, {
               signal: controller.signal,
@@ -60,7 +73,7 @@ class WebService {
         })
       )
     },
-    { maxBatchSize: 1 }
+    { maxBatchSize: 1, batchScheduleFn: (callback) => setTimeout(callback, 100) }
   )
 
   constructor() {