HtmlUnit vs. PhantomJS Comparison


HtmlUnit	PhantomJS	+	+
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About HtmlUnit is a "GUI-Less browser for Java programs" that models HTML documents and provides an API to interact with web pages, such as invoking pages, filling out forms, and clicking links, similar to a standard web browser. It offers fairly good JavaScript support, which is constantly improving and is capable of handling complex AJAX libraries, simulating browsers like Chrome, Firefox, or Edge depending on the configuration used. Typically used for testing purposes or retrieving information from websites, HtmlUnit is not a generic unit testing framework but is intended to simulate a browser within another testing framework such as JUnit or TestNG. It is utilized as the underlying "browser" by various open source tools like WebDriver, Arquillian Drone, and Serenity BDD, and is employed by many projects for automated web testing, including Apache Shiro, Apache Struts, and Quarkus.	About PhantomJS is a headless web browser scriptable with JavaScript, running on Windows, macOS, Linux, and FreeBSD. Utilizing QtWebKit as its back-end, it offers fast and native support for various web standards, including DOM handling, CSS selectors, JSON, Canvas, and SVG. This makes it an optimal solution for tasks such as page automation, screen capture, headless website testing, and network monitoring. For example, a simple script can load a webpage and capture it as an image.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Java developers wanting a solution to automate web page interactions and perform testing operations	Audience Developers seeking a tool to automate web page interactions, perform headless testing, capture screenshots, and monitor network performance
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information HtmlUnit United States htmlunit.sourceforge.io	Company Information PhantomJS Founded: 2010 United States phantomjs.org
Alternatives jsoup	Alternatives SlimerJS
Zombie.js	trifleJS
jBrowserDriver Daniel Hollingsworth	Jaunt
Selenium Software Freedom Conservancy	Zombie.js
Jaunt View All	Ujeebu View All
Categories Headless Browsers Supported	Categories Headless Browsers Supported

Integrations JavaScript Supported Jenkins Supported Selenium WebDriver Supported jQuery Supported 3DBrowser Supported Apache Maven Supported CSS Not Supported Canvas Not Supported FreeBSD Not Supported JSON Not Supported Jasmine Not Supported Java Supported Microsoft Dataverse Supported PHP Not Supported QUnit Not Supported Quarkus Supported Selenium Supported Serenity BDD Supported TestNG Supported trifleJS Not Supported Show More Integrations View All 16 Integrations	Integrations JavaScript Supported Jenkins Supported Selenium WebDriver Supported jQuery Supported 3DBrowser Not Supported Apache Maven Not Supported CSS Supported Canvas Supported FreeBSD Supported JSON Supported Jasmine Supported Java Not Supported Microsoft Dataverse Not Supported PHP Supported QUnit Supported Quarkus Not Supported Selenium Not Supported Serenity BDD Not Supported TestNG Not Supported trifleJS Supported Show More Integrations View All 13 Integrations
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