Software Alternatives, Accelerators & Startups

html2canvas VS Phantomjs

Compare html2canvas VS Phantomjs and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

html2canvas logo html2canvas

JavaScript library to take "screenshots" of webpages or parts of it, directly on the...

Phantomjs logo Phantomjs

PhantomJS is a headless browser that works hand in hand with Selenium to help developers more efficiently test their sites and apps.
  • html2canvas Landing page
    Landing page //
    2019-09-15
  • Phantomjs Landing page
    Landing page //
    2018-09-29

html2canvas features and specs

  • Client-Side Rendering
    html2canvas is a client-side library that can capture screenshots of web pages without requiring server-side processing, making it easy to integrate into web applications.
  • Open-Source
    Being open-source, developers have access to the source code, allowing them to modify and contribute to the project, ensuring transparency and community-driven improvements.
  • Ease of Use
    It provides a straightforward API, making it accessible for developers to quickly implement and use the library to capture screenshots.
  • Cross-Browser Support
    The library aims to support multiple browsers, enhancing its usability across different user platforms.

Possible disadvantages of html2canvas

  • Rendering Limitations
    html2canvas may not fully support all CSS properties or web elements, leading to inaccurate or incomplete screenshots in some cases.
  • Performance Overheads
    As a JavaScript library running in the browser, it may lead to increased CPU and memory usage, especially for large or complex web pages.
  • Security Concerns
    Rendering content on the client side may expose sensitive information within the page during the rendering process, posing security risks if not handled carefully.
  • Lack of Dynamic Content Handling
    Dynamic content like videos, animations, or elements with JavaScript-based changes during rendering might not be accurately captured.

Phantomjs features and specs

  • Headless Execution
    PhantomJS can run scripts without the need for a graphical user interface, making it ideal for automation tasks such as web scraping and automated testing, especially in CI environments.
  • Full Web Stack
    It fully supports a range of web standards like DOM, CSS, JavaScript, and even SVG. This makes it highly versatile for different types of web interactions and manipulations.
  • Screenshots
    PhantomJS allows for easy capturing of web content as screenshots, which is useful for visual testing, performance analysis, and content verification.
  • Network Monitoring
    The tool offers capabilities for monitoring network traffic and performance, enabling developers to gather insights on resource loading times, HTTP status codes, and other networking metrics.
  • Simplicity
    PhantomJS provides a straightforward API, making it relatively easy to use and integrate into development and testing workflows even for developers with limited experience in scripting.

Possible disadvantages of Phantomjs

  • Deprecated
    Active development of PhantomJS has been discontinued. This means no new features, improvements, or security updates will be released, which can pose significant risk for long-term projects.
  • Resource Intensive
    Running headless browsers can still be resource-intensive. PhantomJS may consume considerable CPU and memory, which could become a bottleneck in high-performance environments.
  • Limited Modern Web Compatibility
    As the web evolves, new standards and features are introduced. Being discontinued, PhantomJS may lack support for the latest web technologies, potentially leading to rendering discrepancies or failures.
  • Difficulty in Debugging
    Debugging headless browser scripts can be more challenging compared to using full browsers with developer tools, making it harder to resolve complex issues that arise.
  • Steep Learning Curve
    While the API is straightforward, mastering PhantomJS scripting and effectively dealing with asynchronous JavaScript operations and browser-specific quirks can be difficult for beginners.

html2canvas videos

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Phantomjs videos

How to use PhantomJS with Selenium?

More videos:

  • Review - DrupalCon Portland 2013: AUTOMATED TESTING WITH JASMINE AND PHANTOMJS

Category Popularity

0-100% (relative to html2canvas and Phantomjs)
Browser Testing
100 100%
0% 0
Development Tools
0 0%
100% 100
Automated Testing
64 64%
36% 36
Javascript UI Libraries
0 0%
100% 100

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Reviews

These are some of the external sources and on-site user reviews we've used to compare html2canvas and Phantomjs

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Phantomjs Reviews

Top 10 Best Selenium Alternatives You Should Try
PhantomJS is an open-source, scriptable headless browser intended for automating webpage collaboration. It is also a powerful testing tool that supports various web standards and makes it appropriate for automation and integration with CI tools.
6 Popular Headless Browsers for Web Testing
Complexity is commonplace in the modern internet landscape, and PhantomJS is built to handle it all using basic command line testing. This headless WebKit is scriptable via the JavaScript API and uses CasperJS to handle testing. Capable of simulating “full navigation scenarios,” PhantomJS can reveal all the places where a user may encounter errors while browsing.
Source: www.keycdn.com
Introduction to Headless Browser Testing
PhantomJS supports headless testing with the use of CasperJS. CasperJS is a navigation scripting & testing tool for PhantomJS. It allows you to build full navigation scenarios using high-level functions and a straight forward interface to accomplish all sizes of tasks.

Social recommendations and mentions

html2canvas might be a bit more popular than Phantomjs. We know about 16 links to it since March 2021 and only 11 links to Phantomjs. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

html2canvas mentions (16)

  • Build a Finance Tracker with Next.js, Strapi, and Chartjs: Part 3
    We'll use three libraries - html-to-pdfmake, pdfmake and html2canvas for the printing functionality. - Source: dev.to / 9 months ago
  • Build a Finance Tracker with Next.js, Strapi, and Chartjs: Part 1
    Html2canvas to take screenshots of the webpage directly on the browser. - Source: dev.to / 9 months ago
  • This weird IFRAME thing wasted my 2 days (and counting...)
    My new approach: Whenever user will open the preview and it would load completely, I will take a screenshot programatically using html2canvas library and later store in the db. I wrote code and it worked as I thought except for one part. Everything was fine in the screenshot, except the preview part. IT WAS BLANK, LIKE COMPLETELY BLANK. Oh my god! How is this possible? What on earth is wrong that every solution I... - Source: dev.to / 10 months ago
  • A Firefox-Only Minimap
    That's slightly harder, but still possible by first rendering the HTML onto a canvas. Example here: http://html2canvas.hertzen.com/. - Source: Hacker News / almost 2 years ago
  • Adding text to image that scales to fit container?
    If you have it working in the browser you could use this.https://html2canvas.hertzen.com/. Source: over 2 years ago
View more

Phantomjs mentions (11)

  • youtube bandwidth throttled for cloud addresses?
    Install Phantomjs and see if that improves things. Source: almost 2 years ago
  • How to Bypass Cloudflare in 2023: The 8 Best Methods
    Automated Browser Detection. Cloudflare queries the browser for properties that only exist in automated web browser environments. For example, the existence of the window.document.__selenium_unwrapped or window.callPhantom property indicates the usage of Selenium and PhantomJS, respectively. For obvious reasons, you're getting blocked if this is detected. - Source: dev.to / about 2 years ago
  • Ask HN: What's the best way to get all the HTML from a JavaScript site?
    I know there is https://phantomjs.org/ but is there something else people use these days? The issue is some websites curl works fine to get all the rendered html, but some you don't get any content without a javascript engine. - Source: Hacker News / about 2 years ago
  • Detecting PhantomJS headless browsers
    Despite the popularity of Puppeteer and Headless Chrome, my team of threat researchers and I wondered, to what extent PhantomJS was still being used by bot developers. In this post, we share how we identified traffic associated with PhantomJS, the types of attacks performed, and its use in comparison to Puppeteer Extra Stealth. Source: over 2 years ago
  • How to make a SPA SEO crawlable?
    I've been working on how to make a SPA crawlable by google based on google's instructions. Even though there are quite a few general explanations I couldn't find anywhere a more thorough step-by-step tutorial with actual examples. After having finished this I would like to share my solution so that others may also make use of it and possibly improve it further. I am using MVC with Webapi controllers, and... Source: almost 3 years ago
View more

What are some alternatives?

When comparing html2canvas and Phantomjs, you can also consider the following products

Html Screen Capture JS - Html Screen Capture JS is an open-source, lightweight, and fully customizable javascript/typescript library that captures a complete layout or a few areas of a layout and saves it in a mini HTML file for the user.

jQuery - The Write Less, Do More, JavaScript Library.

DOM to Image - JavaScript library to generate an image from a DOM node using HTML5 canvas.

React Native - A framework for building native apps with React

Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

Babel - Babel is a compiler for writing next generation JavaScript.