diff --git a/boards/static/js/thread.js b/boards/static/js/thread.js
--- a/boards/static/js/thread.js
+++ b/boards/static/js/thread.js
@@ -77,4 +77,5 @@ function addQuickReply(postId) {
 
 $(document).ready(function(){
     addGalleryPanel();
+    initAutoupdate();
 });
diff --git a/boards/static/js/thread_update.js b/boards/static/js/thread_update.js
--- a/boards/static/js/thread_update.js
+++ b/boards/static/js/thread_update.js
@@ -1,6 +1,17 @@
 var THREAD_UPDATE_DELAY = 10000;
 
 var loading = false;
+var lastUpdateTime = null;
+
+function blink(node) {
+    var blinkCount = 2;
+    var blinkDelay = 250;
+
+    var nodeToAnimate = node;
+    for (var i = 0; i < blinkCount; i++) {
+        nodeToAnimate = nodeToAnimate.fadeOut(blinkDelay).fadeIn(blinkDelay);
+    }
+}
 
 function updateThread() {
     if (loading) {
@@ -13,9 +24,8 @@ function updateThread() {
 
     var lastPost = threadPosts.last();
     var threadId = threadPosts.first().attr('id');
-    var lastPostId = lastPost.attr('id');
 
-    var diffUrl = '/api/diff_thread/' + threadId + '/' + lastPostId + '/';
+    var diffUrl = '/api/diff_thread/' + threadId + '/' + lastUpdateTime + '/';
     $.getJSON(diffUrl)
         .success(function(data) {
             var addedPosts = data.added;
@@ -23,15 +33,31 @@ function updateThread() {
             for (var i = 0; i < addedPosts.length; i++) {
                 var postText = addedPosts[i];
 
-                var post = $(postText).hide();
-                post.appendTo(lastPost.parent()).show('slow');
+                var post = $(postText);
+                post.appendTo(lastPost.parent());
                 addRefLinkPreview(post[0]);
 
                 lastPost = post;
+                blink(post);
+
             }
 
+            // TODO Process updated and deleted posts
+
+            lastUpdateTime = data.last_update;
+            loading = false;
+        })
+        .error(function(data) {
+            // TODO Show error message that server is unavailable?
+
             loading = false;
         });
 }
 
-setInterval(updateThread, THREAD_UPDATE_DELAY);
+function initAutoupdate() {
+    loading = false;
+
+    lastUpdateTime = $('.metapanel').attr('data-last-update');
+
+    setInterval(updateThread, THREAD_UPDATE_DELAY);
+}
diff --git a/boards/templates/boards/thread.html b/boards/templates/boards/thread.html
--- a/boards/templates/boards/thread.html
+++ b/boards/templates/boards/thread.html
@@ -152,7 +152,7 @@
 
     {% get_current_language as LANGUAGE_CODE %}
 
-    <span class="metapanel">
+    <span class="metapanel" data-last-update="{{ last_update }}">
         {% cache 600 thread_meta posts.0.last_edit_time moderator LANGUAGE_CODE %}
             {{ posts.0.get_reply_count }} {% trans 'replies' %},
             {{ posts.0.get_images_count }} {% trans 'images' %}.
diff --git a/boards/urls.py b/boards/urls.py
--- a/boards/urls.py
+++ b/boards/urls.py
@@ -53,6 +53,6 @@ urlpatterns = patterns('',
 
     # API
     url(r'^api/post/(?P<post_id>\w+)/$', views.get_post, name="get_post"),
-    url(r'^api/diff_thread/(?P<thread_id>\w+)/(?P<last_post_id>\w+)/$',
+    url(r'^api/diff_thread/(?P<thread_id>\w+)/(?P<last_update_time>\w+)/$',
         views.api_get_threaddiff, name="get_thread_diff"),
 )
diff --git a/boards/views.py b/boards/views.py
--- a/boards/views.py
+++ b/boards/views.py
@@ -1,6 +1,10 @@
 import hashlib
 import json
 import string
+import time
+
+from datetime import datetime
+
 from django.core import serializers
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
@@ -211,6 +215,7 @@ def thread(request, post_id):
         context['bumplimit_progress'] = str(
             float(context['posts_left']) /
             neboard.settings.MAX_POSTS_PER_THREAD * 100)
+    context["last_update"] = int(time.time() * 1000)
 
     return render(request, 'boards/thread.html', context)
 
@@ -409,14 +414,17 @@ def api_get_post(request, post_id):
     return HttpResponse(content=json)
 
 
-def api_get_threaddiff(request, thread_id, last_post_id):
+def api_get_threaddiff(request, thread_id, last_update_time):
     thread = get_object_or_404(Post, id=thread_id)
-    posts = Post.objects.filter(thread=thread, id__gt=last_post_id)
+
+    filter_time = datetime.fromtimestamp(float(last_update_time) / 1000)
+    added_posts = Post.objects.filter(thread=thread, pub_time__gt=filter_time)
 
     json_data = {
-        'added': []
+        'added': [],
+        'last_update' : int(time.time() * 1000),
     }
-    for post in posts:
+    for post in added_posts:
         json_data['added'].append(get_post(request, post.id).content.strip())
 
     return HttpResponse(content=json.dumps(json_data))