2025 – Painter

Should we adopt a component library?

Ask what it costs to leave, not what it costs to adopt. The adoption number is the small one.

chrisDecember 22, 20251 min read

Stop arguing that it matters in general. Show what it costs here, on this page, this quarter.

chrisDecember 10, 20251 min read

If your content is public and your first paint matters, probably. If you are behind a login, probably not.

chrisNovember 28, 20251 min read

Three options, in descending order of how much the marketing team will like them.

chrisNovember 16, 20251 min read

Coverage is a map of what you executed, not of what you verified. Chasing the percentage produces tests that assert nothing.

chrisNovember 4, 20251 min read

Sixteen milliseconds, and everything that has to fit inside them before the screen updates.

chrisOctober 23, 20251 min read

Invalidation, not repainting. The interesting work is in deciding how little to redo.

chrisOctober 11, 20251 min read

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