Cache them if you can | High Performance Web Sites
March 22, 2012 10:41 pm | 24 Comments “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
Don’t docwrite scripts | High Performance Web Sites
April 10, 2012 5:29 pm | 32 Comments In yesterday’s blog post, Making the HTTP Archive faster, one of the biggest speedups came from not using a script loader. It turns out that script loader was using document.write to load scripts dynamically. I wrote about the document.write technique in Loading Script Without Blocking back in April 2009, as well as in Even Faster Web Sites (chapter 4). It look
Clearing Browser Data | High Performance Web Sites
September 10, 2012 7:50 pm | 13 Comments In Keys to a Fast Web App I listed caching as a big performance win. I’m going to focus on caching for the next few months. The first step is a study I launched a few days ago called the Clear Browser Experiment. Before trying to measure the frequency and benefits of caching, I wanted to start by gauging what happens when users clear their cache. In additio
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