Google has even created a migration guide to make the transition easier.
For those who can’t migrate, Google has shared instructions for maintaining a local copy of the extension.
However, the CrUX API key tied to the extension will soon be revoked, so field data integration may break unless you generate a new key through the CrUX API docs.
Looking Ahead
This move signals Google’s commitment to making DevTools the best performance monitoring tool for developers. The Performance panel covers everything from Core Web Vitals to advanced diagnostics, and more updates are coming.
The Web Vitals extension was a helpful tool, but its best features now live in DevTools, making it easier for developers to monitor and optimize site performance from one place.
For more details, check out the official announcement or the GitHub repository.
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