Since it is a Node library, it is easier to install than Selenium.Allows access to the DevTools protocol.After installing Puppeteer, the browser Chromium is downloaded to run Puppeteer scripts. You can install Puppeteer through the NodeJS package manager npm. To use Puppeteer in your browser, you must have the following installed: Works on desktop (Mac, Windows, Linux), continuous integration/CI (Travis CI, AppVeyor), and the cloud (GCP, AWS and Azure).Parses javascript, allowing it to crawl dynamic pages such as single-page applications (SPA).2 It is based on Chrome’s incognito mode and isolates tests from one another to prevent interference. For instance, Puppeteer has a special API called Browser Context for accelerating testing. Creates an environment for automated testing using JavaScript.Puppeteer captures two screenshots of web pages: one in light and one in dark mode. Takes screenshots and generates PDFs of web pages.Web pages with JavaScript elements use the document object model (DOM) to change the structure and content of their website.

Provides access to DOM (Document Object Model) elements and gets DOM elements on web pages.You can open web pages and navigate websites using the Puppeteer browser automation solution.įigure 1: Diagram shows the entities represented in Puppeteer.

It is mainly used for building an automated web testing framework and browser automation. Puppeteer was maintained by a Google team. Puppeteer is an open-source Node.js library that controls Chrome or Chromium using JavaScript APIs (Figure 1). This article assists developers in determining which is more suitable for their data collection projects by discussing the main differences between Puppeteer and Selenium based on their: Puppeteer and Selenium are useful for web scraping and web automation, but they each have their specific uses.

However, what if the desired data is inaccessible via any API solution? Puppeteer and Selenium are the most popular headless browsers that enable users to scrape data from websites. Popular websites like Amazon, Twitter, and Instagram provide their public API. If you want to use APIs for data collection, the website from which you want the data must provide the API technology. Web scraping tools and web scraping APIs are the most common methods of accessing and obtaining data from web sources.

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