HtmlUnit vs. Servo Comparison


HtmlUnit	Servo	+	+
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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 Servo’s mission is to provide an independent, modular, embeddable web engine, which allows developers to deliver content and applications using web standards. Servo is written in Rust, and shares code with Mozilla Firefox and the wider Rust ecosystem. Since its creation in 2012, Servo has contributed to W3C/WHATWG web standards by reporting specification issues and submitting new cross-browser automated tests, and core team members have co-edited new standards that have been adopted by other browsers. As a result, the Servo project helps drive the entire web platform forward while building on a platform of reusable, modular technologies that implement web standards. Pre-built nightly snapshots allow developers to try Servo and report issues without building Servo locally. Now that we’ve released our first developer preview, we’ll be investing in formal security audits and improving our security practices using both existing libraries and Rust.
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 an independent, modular, and embeddable web engine solution
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 Not 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 Servo Founded: 2012 servo.org
Alternatives jsoup	Alternatives Basilisk
Zombie.js	Flojoy
jBrowserDriver Daniel Hollingsworth	ServoDesk Simplisys Ltd
Selenium Software Freedom Conservancy	OpenFAST National Renewable Energy Laboratory
Jaunt View All	Mozilla Firefox Mozilla View All
Categories Headless Browsers Supported	Categories Browser Automation Supported Headless Browsers Supported Web Browsers Supported

Integrations 3DBrowser Supported Apache Maven Supported Apache TomEE Supported HTML Supported JUnit Supported Java Supported JavaScript Supported Jenkins Supported Microsoft Dataverse Supported Quarkus Supported Selenium Supported Selenium WebDriver Supported Serenity BDD Supported TestNG Supported Togglz Supported jQuery Supported Show More Integrations View All 16 Integrations	Integrations 3DBrowser Not Supported Apache Maven Not Supported Apache TomEE Not Supported HTML Not Supported JUnit Not Supported Java Not Supported JavaScript Not Supported Jenkins Not Supported Microsoft Dataverse Not Supported Quarkus Not Supported Selenium Not Supported Selenium WebDriver Not Supported Serenity BDD Not Supported TestNG Not Supported Togglz Not Supported jQuery Not Supported Show More Integrations
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