Recently I released a guide on how to speed up your vbulletin 4. It hasn't been out for a week yet and it already has 742 views! Posted at vbulletin.org for legit vbulletin owners. Sorry pirates, your not getting a hold of this guide on this forum. Check it out here Preview: Step 1: Tweak your htaccess. Step 2: Combine Javascript and Minify Javascript & CSS and Minify HTML. Step 3: Optimize images Step 4: Add CSS Sprites. Step 5: Use a CDN Optional tweaks: By the time you finish with all of the steps you should have similar results to this.