This browser tweak saved 60% of requests to Facebook

Ben Maurer & Nate Schloss:

The browser's reload button exists to allow the user to get an updated version of the current page. In order to meet this goal, when you reload, browsers revalidate the page that you are currently on, even if that page hasn't expired yet. However, they also go a step further and revalidate all sub-resources on the page things like images and JavaScript files.

So even if you've set proper expires headers for resources, hitting …

This browser tweak saved 60% of requests to Facebook is a post from CSS-Tricks