Puppeteer  |  Tools for Web Developers  |  Google Developers

Most things that you can do manually in the browser can be done using Puppeteer! Here are a few examples to get you started:
Generate screenshots and PDFs of pages. Crawl a SPA (Single-Page Application) and generate pre-rendered content (i.e. “SSR” (Server-Side Rendering)). Automate form submission, UI testing, keyboard input, etc. Create an up-to-date, automated testing environment. Run your tests directly in the latest version of Chrome using the latest JavaScript and browser features. Capture a timeline trace of your site to help diagnose performance issues. Test Chrome Extensions.
developers.google.com/web/tools/puppeteer/

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