How to cut Playwright CI runs under 5 minutes using caching and parallelism

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A developer guide published on DEV Community outlines a two-file configuration to speed up Playwright test pipelines on GitHub Actions without sharding. The setup involves editing playwright.config.ts to enable full parallelism and set worker count to 50% of available CI resources, and updating the workflow YAML to cache Playwright browser binaries keyed to the package lockfile. On pull requests, only Chromium tests run for faster feedback, while the full browser suite — Chromium, Firefox, and WebKit — runs on merges to the main branch. A cache miss triggers a full browser and system dependency install, while a cache hit skips the download and only reinstalls OS-level libraries. The article claims these two configuration changes, achievable in an afternoon, can keep most test suites under five minutes on a single runner.

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