Lighthouse 2.7 Updates

Lighthouse 2.7 is out! Highlights include:

• New SEO audits.
• New, manual accessibility audits.
• Updates to the WebP audit.

See the 2.7 release notes for the full list of new features, changes, and bug fixes.

How to update to 2.7

• NPM. Run npm update lighthouse, or npm update lighthouse -g flag if you installed Lighthouse globally.
• Chrome Extension. The extension should automatically update, but you can manually update it via chrome://extensions.
• DevTools. Lighthouse 2.7 is shipping in Chrome 65. You can check what version of Chrome you're running via chrome://version. Chrome updates to a new version about every 6 weeks. You can run the latest Chrome code by downloading Chrome Canary.

New SEO audits

The new SEO category provides audits that help improve your page's ranking in search engine results.

Note: Many factors affect a page's search engine ranking. Lighthouse does not test all of these factors. A perfect 100 score in Lighthouse does not guarantee a top ranking spot on any search engine!

New, manual accessibility audits

The new, manual accessibility audits inform you of things you can do to improve the accessibility of your page. "Manual" here means that Lighthouse can't automate these audits, so you need to manually test them yourself.

Updates to the WebP audit

Thanks to some community feedback, the WebP audit is now more inclusive of other next-generation, high-performance image formats, like JPEG 2000 and JPEG XR.