Software Alternatives & Reviews

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 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
57 57%
43% 43
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

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.

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.

tota11y - An accessibility visualization toolkit from Khan Academy

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

Accessible Metrics - Digital Governance

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.