Page uses deprecated APIs

Deprecated APIs are scheduled to be removed from Chrome. Calling these APIs after they're removed causes errors on your site. Lighthouse flags the deprecated APIs:

Lighthouse audit shows usage of deprecated APIs
Document uses deprecated APIs.

How this audit fails

Lighthouse collects the deprecated API warnings that Chrome logs to the DevTools Console and includes them in the Lighthouse repot as warnings.

Each Best Practices audit is weighted equally in the Lighthouse Best Practices Score. Learn more in The Best Practices score.

How to remove deprecated APIs

Go to Chrome Platform Status and expand the entries for the APIs that you're using to learn more about why the APIs are deprecated, as well as how to replace them.

More information

Page uses deprecated APIs audit source

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