Now that you have a big picture vision, let’s dive deeper into what each library has to offer and how you can use them to extract alternative data from the web. Puppeteer can take screenshots, submit forms and make PDFs.Cheerio makes extracting data super simple using JQuery like syntax and CSS/XPath selectors to navigate the DOM.Compared to Cheerio, Puppeteer is quite slow.Cheerio is lightning fast in comparison to Puppeteer.It has a steep learning curve as it has more functionalities and requires Async for better results.It has an easy learning curve thanks to its simple syntax.Puppeteer can interact with websites, accessing content behind login forms and scripts.Cheerio can’t interact with the site or access content behind scripts.It can execute Javascript, making it able to scrape dynamic pages like single-page applications (SPAs).It’s a DOM parser, able to parser HTML and XML files.Puppeteer was designed for browser automation and testing.Cheerio was built with web scraping in mind.However, they have major differences that you need to consider before picking a tool for your project.īefore moving into the details for each library, here’s an overview comparison between Cheerio and Puppeteer: Cheerio puppeteerrc.cjs (or vs Puppeteer: Differences and When to Use ThemĬheerio and Puppeteer are both libraries made for Node.js (a backend runtime environment for Javascript) that can be used for scraping the web.
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
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