Software Alternatives, Accelerators & Startups

Koa11y VS HTML Validator

Compare Koa11y VS HTML Validator and see what are their differences

Koa11y logo Koa11y

Automatically detect accessibility (a11y) issues on webpages

HTML Validator logo HTML Validator

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.
  • Koa11y Landing page
    Landing page //
    2019-04-29
  • HTML Validator Landing page
    Landing page //
    2019-06-07

Koa11y features and specs

  • Open Source
    Koa11y is an open-source tool, which means it's free to use, modify, and distribute. This makes it accessible to a broad range of users and developers who can contribute to its improvement.
  • Multiple Formats Support
    It supports various formats for reports, such as JSON and HTML, allowing for flexible use cases and integration into different workflows or systems.
  • User-Friendly Interface
    Koa11y offers a user-friendly interface that can be easily navigated by individuals who might not necessarily have a deep technical background, enhancing its usability.
  • Cross-Platform Compatibility
    The application is designed to run on multiple operating systems including Windows, macOS, and Linux, ensuring a wide accessibility for users regardless of their preferred platform.

Possible disadvantages of Koa11y

  • Limited Advanced Features
    Koa11y might lack some of the advanced features found in more comprehensive accessibility testing suites, which limits its applicability for certain extensive testing needs.
  • Potential for Incomplete Tests
    Depending on the complexity of a website, Koa11y might not cover all possible accessibility issues, necessitating the use of additional tools for a comprehensive assessment.
  • Dependency on Automated Analysis
    As an automated tool, Koa11y could miss context-specific accessibility issues that require human judgment and manual inspection to identify.
  • Software Updates and Support
    Being a community-driven project, updates and support might not be as frequent or reliable as commercial tools, which could influence its long-term viability and integration into critical projects.

HTML Validator features and specs

No features have been listed yet.

Koa11y videos

Koa11y: Find Accessibility Issues on your Site

HTML Validator videos

Let's have a look at CSE HTML Validator Lite

More videos:

  • Demo - CSE HTML Validator Professional quick demo

Category Popularity

0-100% (relative to Koa11y and HTML Validator)
Developer Tools
100 100%
0% 0
SEO
49 49%
51% 51
SEO Tools
0 0%
100% 100
User Experience
100 100%
0% 0

User comments

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What are some alternatives?

When comparing Koa11y and HTML Validator, you can also consider the following products

tota11y - An accessibility visualization toolkit from Khan Academy

Rocket Validator - Site-wide Accessibility and HTML validation made easy. With a single click, Rocket Validator will check thousands of web pages on your site for Accessibility and HTML conformance, producing a detailed, actionable report on seconds.

Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.

W3C Markup Validation Service - Validates HTML markup of web pages, one at a time.

Page Speaker - Modern web accessibility tools for agencies & webmasters

Total Validator - Total Validator can check your website to help ensure that it is accessible, uses valid HTML and CSS, has no broken links, and is free from spelling mistakes.