$ grep -l "playwright" posts/

# playwright

All the articles tagged "playwright".

2026-10-13
Using the Web Locks API to stop duplicate work across browser tabs
Three open tabs means three token refreshes and three sync loops. navigator.locks gives you a mutex across tabs and workers in a few lines, if you know where it stops working. javascript
2026-08-08
Cutting a GitHub Actions pipeline from 8 minutes to under 2
Concrete caching and job-splitting changes that cut a real GitHub Actions pipeline from eight minutes to under two, plus the two things I tried that weren't worth it. github-actions
2026-07-23
How I decide between integration tests and e2e tests
A working framework for choosing e2e tests over integration tests, built from watching both kinds fail in production. testing