Lighthouse is a tool written by Google to assess web applications for adherence to Progressive Web App standards. This year's Lighthouse 2.0 release adds performance metrics and accessibility checks to the basic toolset. This added functionality has now been incorporated into the standard Chrome developer tools under the audit tab. Lighthouse 2.0 is yet another beneficiary of Chrome's headless mode. This provides an alternative to Pa11y and similar tools for running accessibility checks in a continuous integration pipeline, since the tool can be run from the command line or standalone as a Node.js application.
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