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When you install Puppeteer, it automatically downloads a recent version ofĬhromium (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to To use Puppeteer in your project, run: npm i puppeteer Of your site to help diagnose performance issues.

Create an automated testing environment using the latest JavaScript and.

Automate form submission, UI testing, keyboard input, etc.

Crawl a SPA (Single-Page Application) and generate pre-rendered content (i.e.

Generate screenshots and PDFs of pages.

Here are a few examples to get you started: Most things that you can do manually in the browser can be done using Puppeteer! Mode by default, but can be configured to run in full (non-headless) Puppeteer is a Node.js library which provides a high-level API to control puppeteerrc.cjs (or | API | FAQ | Contributing | Troubleshooting Puppeteer uses several defaults that can be customized through configurationįor example, to change the default cache directory Puppeteer uses to installīrowsers, you can add a.

Include $HOME/.cache into the project's deployment.įor a version of Puppeteer without the browser installation, see Your project folder (see an example below) because not all hosting providers Heroku, you might need to reconfigure the location of the cache to be within If you deploy a project using Puppeteer to a hosting provider, such as Render or The browser is downloaded to the $HOME/.cache/puppeteer folderīy default (starting with Puppeteer v19.0.0). When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to