While AJAX helps speed up user interaction on websites, there are some other things about HTTP request that can help optimize page loads even more. Die.net writes: “For many sites that reference dozens of external objects, the majority of the page load time is spent in separate HTTP requests for images, javascript, and stylesheets. AJAX probably could help, but speeding up or eliminating these separate HTTP requests might help more, yet there isn’t a common body of knowledge about how to do so.”

Hit the source link for the full skinny and tips on optimizing page loads, web geeks.