The -g flag installs it as a global module. Install the current Long-Term Support version of Node.Install and run the Node command line tool After 30 to 60 seconds, Lighthouse gives you a report on the page. DevTools shows you a list of audit categories. To the right is the Lighthouse panel of Chrome DevTools, which is powered by LighthouseĬlick Analyze page load. To the left is the viewport of the page that will be audited. In Google Chrome, go to the URL you want to audit.Lighthouse has its own panel in Chrome DevTools. Note: The CLI and Node workflows require you to have an instance of Google Chrome installed on your machine.

Run Lighthouse and link to reports without installing a thing. Integrate Lighthouse into your continuous integration systems. Automate your Lighthouse runs via shell scripts. Easily audit pages that require authentication, and read your reports in a user-friendly format. Get startedĬhoose the Lighthouse workflow that suits you best:

You can also use Lighthouse CI to prevent regressions on your sites.Ĭheck out the video below from Google I/O to learn more about how to use and contribute to Lighthouse. The audit is important, as well as how to fix it. Each audit has a reference doc explaining why From there, use the failing audits as indicators on how to improve the page. You give Lighthouse a URL to audit, it runs a series of audits against the page,Īnd then it generates a report on how well the page did. You can run Lighthouse in Chrome DevTools, from the command line, or as a Node module. It has audits for performance, accessibility, progressive web apps, SEO, and more. You can run it against any web page, public or requiring authentication. Lighthouse is an open-source, automated tool for improving the quality of web pages.

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