this should fix #225

src/js/messaging.js

@@ -413,6 +413,11 @@ var contentScriptSummaryHandler = function(tabId, details) {
     var url = frameURL + '{inline_script}';
     pageStore.recordRequest('script', url, inlineScriptBlocked);
     µm.logger.writeOne(tabId, 'net', pageHostname, url, 'script', inlineScriptBlocked);
+
+    // https://github.com/gorhill/uMatrix/issues/225
+    // A good place to force an update of the page title, as at this point
+    // the DOM has been loaded.
+    µm.updateTitle(tabId);
 };
 
 /******************************************************************************/

src/js/tab.js

@@ -657,9 +657,14 @@ vAPI.tabs.registerListeners();
         if ( !tab.title && tryAgain(tabId) ) {
             return;
         }
-        tryNoMore(tabId);
+        // https://github.com/gorhill/uMatrix/issues/225
+        // Sometimes title changes while page is loading.
+        var settled = tab.title && tab.title === pageStore.title;
         pageStore.title = tab.title || tab.url || '';
         this.pageStoresToken = Date.now();
+        if ( settled || !tryAgain(tabId) ) {
+            tryNoMore(tabId);
+        }
     };
 
     var updateTitle = function(tabId) {