An illustrated re-introduction to HTTP caching with a focus on gateway caches and their potential benefits within the context of modern, dynamic web applications.
Really interesting analogy between web architecture and a car crash. This is the piece that’s missing from almost every conversation about whether any given web framework or component “scales”. (via @jperkins)
This is really close to what “the web” looks like in my brain:

I try to stay in the general vicinity of the “principles mound.” :)
The more interesting aspects of life described using only venn diagrams, an occasional line graph, and a scatter plot here and there.
Nice activity diagram describing the resolution of response status codes given various request methods and headers. Full res GIF, JPEG, PNG, and SVG.
Rock on.