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Lighthouse Feature policy plugin

Contents

  • audits/sync-xhr.js - new audit catching sync xhr in the webpage.
  • audits/unoptimized-images.js - new audit catching unoptimized images and recommend appropriate feature policy headers to catch them.

To run

  1. Install lighthouse v5 or later.
  2. Git clone the code locally and run npm i to install dev dependencies
  3. Run npm link in the repo, making it available in global node_modules
  4. Run lighthouse https://example.com --plugins=lighthouse-plugin-feature-policy

Example commands

  1. To see actual image audits generated, use
lighthouse https://feature-policy-demos.appspot.com/demos/unoptimized-lossy-images.html?on --plugins=lighthouse-plugin-feature-policy --view