diff --git a/main.js b/main.js
index ef23284d6ba6..1d134e0ea41e 100644
--- a/main.js
+++ b/main.js
@@ -1036,15 +1036,34 @@ app.on('ready', async () => {
 
   // We use this event only a single time to log the startup time of the app
   // from when it's first ready until the loading screen disappears.
-  ipc.once('signal-app-loaded', (event, { preloadTime }) => {
+  ipc.once('signal-app-loaded', (event, info) => {
+    const { preloadTime, connectTime, processedCount } = info;
+
     const loadTime = Date.now() - startTime;
     const sqlInitTime = sqlInitTimeEnd - sqlInitTimeStart;
+
+    const messageTime = loadTime - preloadTime - connectTime;
+    const messagesPerSec = (processedCount * 1000) / messageTime;
+
     console.log('App loaded - time:', loadTime);
     console.log('SQL init - time:', sqlInitTime);
     console.log('Preload - time:', preloadTime);
+    console.log('WebSocket connect - time:', connectTime);
+    console.log('Processed count:', processedCount);
+    console.log('Messages per second:', messagesPerSec);
 
     if (enableCI) {
-      console._log('ci: app_loaded=%j', { loadTime, sqlInitTime, preloadTime });
+      console._log(
+        'ci: app_loaded=%s',
+        JSON.stringify({
+          loadTime,
+          sqlInitTime,
+          preloadTime,
+          connectTime,
+          processedCount,
+          messagesPerSec,
+        })
+      );
     }
   });
 
diff --git a/preload.js b/preload.js
index 476e367b59cf..cb07a93c3ef6 100644
--- a/preload.js
+++ b/preload.js
@@ -111,9 +111,19 @@ try {
 
   window.setBadgeCount = count => ipc.send('set-badge-count', count);
 
-  window.logAppLoadedEvent = () =>
+  let connectStartTime = 0;
+
+  window.logMessageReceiverConnect = () => {
+    if (connectStartTime === 0) {
+      connectStartTime = Date.now();
+    }
+  };
+
+  window.logAppLoadedEvent = ({ processedCount }) =>
     ipc.send('signal-app-loaded', {
       preloadTime: preloadEndTime - preloadStartTime,
+      connectTime: connectStartTime - preloadEndTime,
+      processedCount,
     });
 
   // We never do these in our code, so we'll prevent it everywhere
diff --git a/ts/background.ts b/ts/background.ts
index 709a6cd34795..ed179087b5f7 100644
--- a/ts/background.ts
+++ b/ts/background.ts
@@ -2117,7 +2117,9 @@ export async function startApp(): Promise<void> {
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
     view.onEmpty();
 
-    window.logAppLoadedEvent();
+    window.logAppLoadedEvent({
+      processedCount: messageReceiver && messageReceiver.getProcessedCount(),
+    });
     if (messageReceiver) {
       window.log.info(
         'App loaded - messages:',
diff --git a/ts/textsecure/MessageReceiver.ts b/ts/textsecure/MessageReceiver.ts
index 7fbd16f11188..2c198c4898d2 100644
--- a/ts/textsecure/MessageReceiver.ts
+++ b/ts/textsecure/MessageReceiver.ts
@@ -332,6 +332,7 @@ class MessageReceiverInner extends EventTarget {
 
   onopen() {
     window.log.info('websocket open');
+    window.logMessageReceiverConnect();
   }
 
   onerror() {
diff --git a/ts/window.d.ts b/ts/window.d.ts
index 104327ebb40e..9097a632200c 100644
--- a/ts/window.d.ts
+++ b/ts/window.d.ts
@@ -545,7 +545,8 @@ declare global {
     hasSignalAccount: (number: string) => boolean;
     getServerTrustRoot: () => WhatIsThis;
     readyForUpdates: () => void;
-    logAppLoadedEvent: () => void;
+    logAppLoadedEvent: (options: { processedCount?: number }) => void;
+    logMessageReceiverConnect: () => void;
 
     // Runtime Flags
     isShowingModal?: boolean;