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ariya/phantomjs

★ 29,469C++Audience · developerComplexity · 3/5DormantLicenseSetup · hard

TLDR

Headless browser that loads and renders web pages without a screen, letting you automate testing, screenshots, and scraping via JavaScript.

Mindmap

mindmap
  root((repo))
    What it does
      Renders pages headless
      Runs JavaScript
      Takes screenshots
      Scrapes content
    Use cases
      Automated testing
      Page screenshots
      Web scraping
      Performance monitoring
    Tech stack
      WebKit engine
      JavaScript scripting
      DOM API support
    Platforms
      Windows
      Mac OS X
      Linux
    Status
      Development suspended
      No longer maintained

Things people build with this

USE CASE 1

Run automated tests against web pages without opening a browser window.

USE CASE 2

Capture screenshots of web pages programmatically for monitoring or documentation.

USE CASE 3

Scrape content from pages that require JavaScript to load their data.

USE CASE 4

Monitor network performance and page load behavior in server-side environments.

Tech stack

C++WebKitJavaScriptDOM API

Getting it running

Difficulty · hard Time to first run · 1day+

Building WebKit from source requires significant compilation time and system dependencies (C++ toolchain, build tools).

Use freely for any purpose including commercial. Keep the copyright notice and don't use the authors' names to endorse derivative work.

In plain English

PhantomJS is a headless web browser, a browser that loads and renders web pages fully, including JavaScript, CSS, and graphics, but without displaying anything on screen. It solves the problem of needing a browser's capabilities (like running JavaScript or capturing how a page looks) in automated or server-side environments where no screen or graphical interface is available. Developers would use it for tasks like automated web testing (running tests against web pages without opening a real browser window), taking screenshots of web pages programmatically, scraping or interacting with pages that require JavaScript to load their content, and monitoring network performance by capturing how a page loads. It supports the standard DOM API that browsers use, so scripts written against it feel familiar to web developers. PhantomJS is scriptable with JavaScript, meaning you write scripts that tell it what pages to visit and what to do with them. It runs on Windows, Mac OS X, and Linux. The underlying engine is WebKit, the same rendering engine used by browsers like Safari. An important note: the README states that PhantomJS development has been suspended until further notice, meaning the project is no longer actively maintained. It is written in C++.

Copy-paste prompts

Prompt 1
Show me how to write a PhantomJS script that loads a webpage and takes a screenshot.
Prompt 2
How do I use PhantomJS to run automated tests against a web application?
Prompt 3
Write a PhantomJS script that scrapes data from a JavaScript-heavy website.
Prompt 4
How can I use PhantomJS to monitor page load performance and network requests?
Prompt 5
Show me an example of using PhantomJS to interact with a page's DOM and extract information.
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Generated 2026-05-18 · Model: sonnet-4-6 · Verify against the repo before relying on details.