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Site works cross-browser

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To reach the most users, sites should work on every major browser.

Recommendations

Test your site in Chrome, Edge, Firefox, and Safari, and fix any issues that appear in each browser.

If your page is a Progressive Web App, consider using Workbox, a high-level service worker toolkit. Workbox is developed against a cross-browser test suite, and when possible, automatically falls back to alternative implementations of features that are missing from certain browsers:

Learn more in Workbox: your high-level service worker toolkit.

Each PWA audit is weighted equally in the Lighthouse PWA Score, except for three manual audits: Site works cross-browser, Page transitions don't feel like they block on the network, and Each page has a URL. Learn more in the Lighthouse Scoring Guide.

Resources

Source code for Site works cross-browser audit

Last updated: Improve article