Developer Tools

WebKit

Last updated 2026-07-05 · benchmark measured 2026-08-09 — deterministic & reproducible

Bug tracker for the WebKit browser engine used in Safari and other Apple apps.

Is WebKit production-ready?

Legit.Show scores WebKit 65 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on WebKit (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 63/100
• Accessibility — 93/100
• Security — 70/100
• Privacy — 25/100
• Reliability — 100/100
• Standards — 79/100
• Discoverability — 27/100

What we measured

• Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options.
• No Content-Security-Policy.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 711 ms to first byte.
• Returns a proper 404 for unknown routes.
• 1 of 1 sampled routes reachable.
• No privacy policy found.
• Sets cookies / loads scripts with no consent prompt.

Who built it

product account @webkit

Who it's for

WebKit developers · Safari users · Bug reporters · QA engineers · Open source contributors

Visit WebKit → · Alternatives to WebKit → · How this was measured →