If we are over https, use old plain periodic thread update instead of

websockets

boards/static/js/thread_update.js

@@ -28,6 +28,8 b" var CLASS_POST = '.post'"
 var POST_ADDED = 0;
 var POST_UPDATED = 1;
 
+var JS_AUTOUPDATE_PERIOD = 20000;
+
 var wsUser = '';
 
 var unreadPosts = 0;
@@ -193,8 +195,17 b' function isPageBottom() {'
     return scroll == 1
 }
 
+function enableJsUpdate() {
+    setInterval(getThreadDiff, JS_AUTOUPDATE_PERIOD);
+    return true;
+}
+
 function initAutoupdate() {
-    return connectWebsocket();
+    if (location.protocol === 'https:') {
+        return enableJsUpdate();
+    } else {
+        return connectWebsocket();
+    }
 }
 
 function getReplyCount() {