It's easiest to learn by example. Check out some of these detailed walkthroughs.

How Changing Ad Networks Made My Site 8x Faster

This is a story about how I made a simple (stupid) choice to switch ad networks to increase ad revenue by a few percent. Yet it ignorantly turned a <2 second load time into an average of 15 seconds.

Optimizing Images for Web: A Practical Guide

Richard Lazazzera walks you through optimizing images on your site, average improvement of 30%

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