GoogleモバイルフレンドリーテストLighthouse is an open-source, automated tool to help you improve the quality of web pages. You can run it on any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO, and more. You can run Lighthouse in Chrome DevTools, from the command line, or as a Node module. Give Lighthouse a URL to audit, it runs a series of audits against the
