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PhantomJS vs HeadlessTesting: What are the differences?
Developers describe PhantomJS as "Scriptable Headless WebKit". PhantomJS (www.phantomjs.org) is a headless WebKit scriptable with JavaScript. It is used by hundreds of developers and dozens of organizations for web-related development workflow. On the other hand, HeadlessTesting is detailed as "Headless Testing with Puppeteer and Playwright in the Cloud". Headless Browser Cloud for Developers. Connect your Puppeteer and Playwright scripts to our Cloud. Automated Browser Testing with Puppeteer and Playwright in the Cloud.
PhantomJS and HeadlessTesting belong to "Headless Browsers" category of the tech stack.
Some of the features offered by PhantomJS are:
- Multiplatform, available on major operating systems: Windows, Mac OS X, Linux, and other Unices.
- Fast and native implementation of web standards: DOM, CSS, JavaScript, Canvas, and SVG. No emulation!
- Pure headless (no X11) on Linux, ideal for continuous integration systems. Also runs on Amazon EC2, Heroku, and Iron.io.
On the other hand, HeadlessTesting provides the following key features:
- Automated browser testing
- Browser automation
- Screenshots
PhantomJS is an open source tool with 27.4K GitHub stars and 5.76K GitHub forks. Here's a link to PhantomJS's open source repository on GitHub.
I am using Node 12 for server scripting and have a function to generate PDF and send it to a browser. Currently, we are using PhantomJS to generate a PDF. Some web post shows that we can achieve PDF generation using Puppeteer. I was a bit confused. Should we move to puppeteerJS? Which one is better with NodeJS for generating PDF?
You better go with puppeteer. It is basically chrome automation tool, written in nodejs. So what you get is PDF, generated by chrome itself. I guess there is hardly better PDF generation tool for the web. Phantomjs is already more or less outdated as technology. It uses some old webkit port that's quite behind in terms of standards and features. It can be replaced with puppeteer for every single task.
I suggest puppeteer to go for. It is simple and easy to set up. Only limitaiton is it can be used only for chrome browser and currently they are looking into expanding into FF. The next thing is Playwright which is just a scale up of Puppeteer. It supports cross browsers.
Pros of HeadlessTesting
- Puppeteer and Playwright support2
- Chrome, Firefox and Edge support2
Pros of PhantomJS
- Scriptable web browser13
- Depends on QT3
- No ECMAScript 62







