Comparison Between Puppeteer & Selenium
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The major differences between Puppeteer and Selenium are given below −
| Sr.No | Puppeteer | Selenium |
|---|---|---|
| 1 | Puppeteer is developed mainly for Chromium so the tests developed are mainly executed in Chrome. | Selenium can be used to execute tests on multiple browsers like Chrome, Firefox, IE, Safari, and so on. |
| 2 | Puppeteer code can be implemented only in JavaScript. | Selenium code can be implemented on multiple languages like Java, Python, JavaScript, C#, and so on. |
| 3 | Puppeteer provides APIs to manage headless execution in Chrome by using the DevTools protocol. | Selenium requires additional external browser drivers that trigger tests as per the user commands. |
| 4 | Puppeteer manages the Chrome browser. | Selenium is primarily used to execute tests to automate the actions performed on the browser. |
| 5 | Puppeteer is faster in executing tests than Selenium. | Selenium is slower in executing tests than Puppeteer. |
| 6 | Puppeteer is a module in node developed for Chromium engine. | Selenium is a dedicated test automation tool. |
| 7 | Puppeteer can be used for API testing by utilising the requests and the responses. | API testing with Selenium is difficult. |
| 8 | Puppeteer can be used to verify the count of CSS and JavaScript files utilised for loading a webpage. | Selenium cannot be used to verify the count of CSS and JavaScript files utilised for loading a webpage. |
| 9 | Puppeteer can be used to work on the majority of features in the DevTools in the Chrome browser. | Selenium cannot be used to work on the majority of features in the DevTools in the Chrome browser. |
| 10 | Puppeteer can be used to execute tests on various devices with the help of the emulators. | Using an emulator with Selenium is not easy. |
| 11 | Puppeteer can be used to obtain the time needed for a page to load. | Selenium cannot be used to obtain the time needed for a page to load. |
| 12 | Puppeteer can be used to save a screenshot in both image and PDF formats. | Selenium can be used to save a screenshot in both image and PDF formats only in the Selenium 4 version. |
| 13 | Puppeteer was first introduced in the year 2017. | Selenium was first introduced in the year 2004. |
| 14 | In Puppeteer, we can verify an application without image loading. | In Selenium, we can verify an application without image loading. |
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