Awesome description of the fragmentation and browser cache size problems that prevent these shared CDNs for common JS/CSS/Whatever files from providing optimal

Awesome description of the fragmentation and browser cache size problems that prevent these shared CDNs for common JS/CSS/Whatever files from providing optimal benefits the vast majority of the time. The challege is that oeople still say "well, even if it only works some of the time, that's OK." It's not. Because does this hurts page load times. You are having to create a new, cold, TCP connection to go fetch 50-100KB of CSS/JS/whatever from some random server. Which even in HTTP/1.1 is usually slower than just bundling that into your own CSS/JS/Whatever. HTTP/2 makes it even more so. Just store and serve these things yourselves.