Puppeteer Tutorial

January 25, 2024 Post a Comment

Puppeteer tutorial

Built by Google, Puppeteer is a Node library for controlling headless Chrome over the DevTools Protocol. It also offers high-level APIs for performing automated tests, developing and debugging website features, inspecting elements on a page, and profiling performance.

Is Puppeteer better than selenium?

The choice between Selenium and Puppeteer boils down to your needs. If your primary focus is testing browser applications, especially on multiple browsers, Selenium is a better choice. It is purpose-built for cross platform testing. If you are exclusively focused on Chrome and JavaScript, Puppeteer is a better fit.

How do I get started with a Puppeteer?

Project Initialization in Puppeteer Make a directory that will contain the project files. Open VS Code and import that directory into the editor. Open the Terminal for VS Code and navigate to the created directory. Type in “npm init” and press 'Enter' to initialize the project.

Is Puppeteer good for scraping?

Cheerio and Puppeteer are both libraries made for Node. js (a backend runtime environment for Javascript) that can be used for scraping the web. However, they have major differences that you need to consider before picking a tool for your project.

Is puppeteer a Python?

Pyppeteer is a Python wrapper for the JavaScript (Node) library, Puppeteer. It works similarly to Selenium, supporting both headless and non-headless mode, though Pyppeteer's native support is limited to JavaScript and Chromium browsers.

What language is puppeteer written in?

Puppeteer utilises JavaScript but can access every aspect of the Chrome DevTools protocol. Contrastingly, Selenese, the programming language used to define Selenium test scripts, is high-level language developers need to learn to write and execute Selenium tests.

Which API automation is best?

Top 15 API Testing Tools on the Market

Katalon Studio.
Postman.
Apigee.
JMeter. ...
Rest-assured.
Assertible.
Soap UI.
Karate DSL.

How much RAM does puppeteer need?

Memory requirements Actors using Puppeteer: at least 1GB of memory. Large and complex sites like Google Maps: at least 4GB for optimal speed and concurrency.

Can we use xpath in puppeteer?

In case the attributes like id, name, and class are not present, we can utilise a distinct attribute available to only that tag or a combination of attributes and their values to identify an element. For this, we have to use the xpath expression.

How much money do puppeteers make?

How much does a Puppeteer make? As of Oct 29, 2022, the average annual pay for a Puppeteer in the United States is $41,558 a year. Just in case you need a simple salary calculator, that works out to be approximately $19.98 an hour. This is the equivalent of $799/week or $3,463/month.

What skills does a puppeteer need?

The main qualifications for a good puppeteer are operating experience and a passion for puppetry. The career requires strong communication skills and physical stamina. Many puppeteers are involved with designing and creating their own puppets, and you may develop your own characters and provide input on scripts.

Can websites detect puppeteer?

There are a couple of ways the use of puppeteer can easily be detected by a target website. The addition of HeadlessChrome to the user-agent being only the most obvious one. The goal of this plugin is to be the definite companion to puppeteer to avoid detection, applying new techniques as they surface.

Is scraping web legal?

As a general rule, we all know it is not a good idea to scrape content from a website, yet some companies persist in this behaviour contrary to law and best practice.

Do hackers use web scraping?

Content scraping (also known as "screen scraping" or just "scraping") is a familiar, often useful process for collecting information from the web. However, in recent years, the technique has become a favored tool of hackers and fraudsters.

Is Puppeteer deprecated?

test: puppeteer's waitFor is deprecated, replace with waitForTimeout … This commit was signed with the committer's verified signature. The key expired after the commit was signed.

Is puppeteer only for Chrome?

It supports: Chrome/Chromium (+ Edge, Opera, Chromium-based browsers) Firefox. Webkit (Safari)

Is puppeteer better than Cypress?

Puppeteer is faster in executing tests than Cypress. Cypress is slower in executing tests than Puppeteer. Puppeteer APIs are not easier to use than Cypress. Cypress APIs are easier to use than Puppeteer.

Does Selenium use puppeteer?

Puppeteer only supports Chrome and Chromium. This plays back to their different goals. Selenium is a web-UI testing library, while Puppeteer is a remote control library for Chrome. There is an experimental library adapting Puppeteer support for Firefox, but it's explicitly not ready for production use.

Is puppeteer used for testing?

Puppeteer can be used for web scraping, automation, and testing purposes. This guide will show you how to use Puppeteer for web scraping and automation purposes. Puppeteer is a Node. js library that provides a high-level API to control Chromium or Chrome over the DevTools Protocol.