“The fastest HTTP request is the one not made.”I always smile when I hear a web performance speaker say this. I forget who said it first, but I’ve heard it numerous times at conferences and meetups over the past few years. It’s true! Caching is critical for making web pages faster. I’ve written extensively about caching:Call to improve browser caching(lack of) Caching for iPhone Home Screen AppsRedirect caching deep diveMobile cache file sizesImproving app cacheStorager case study: Bing, GoogleApp cache & localStorage surveyHTTP Archive: max-ageThings are g...