September 2025 – Painter Theme

Inside the HTTP cache: a request’s whole journey

Memory cache, disk cache, service worker, CDN, origin. Five places a response can come from, and they disagree more often than you would like.

chrisSeptember 29, 20251 min read

Download, parse, match, shape, raster. The stage that surprises people is shaping, and it is the one you cannot skip.

chrisSeptember 17, 20251 min read

The last stage of the pipeline, running on its own thread, which is exactly why transform animations survive a busy main thread.

chrisSeptember 5, 20251 min read