Free Web Accessibility Checker – Instant WCAG 2.2 Audit & Accessibility Score

Run a free web accessibility checker on achecker.ca. In seconds, the achecker.ca accessibility checker gives you an Accessibility Score and WCAG-based fixes trusted worldwide for ADA, Section 508, and EU/EN 301 549 compliance. Use this accessibility checker to prioritize real-world improvements—and re-scan on achecker.ca anytime to track progress.

Automated tests are a first pass; full conformance requires human review.

Enter any URL below to instantly check its accessibility score and WCAG compliance

Level AA is recommended for most websites

What the achecker.ca accessibility checker does in seconds

A web accessibility checker is an automated tool that scans your webpage against a set of accessibility rules. The achecker.ca tool instantly analyzes your code and content, providing an Accessibility Score from 0 to 100. It highlights specific WCAG failures and presents a prioritized list of issues, so you know exactly where to start. We help you find the quick wins that immediately improve usability for everyone.

Remember, no automated tool can replace a human. Our accessibility checker provides an essential first-pass analysis, but comprehensive compliance always requires manual testing by accessibility experts.

Why WCAG matters globally (and why achecker.ca uses WCAG 2.2)

WCAG 2.2 overview (A/AA focus)

Developed by the World Wide Web Consortium (W3C), WCAG is organized into three conformance levels: A (essential), AA (the common legal standard), and AAA (highest). achecker.ca focuses primarily on Level A and AA criteria from the latest version, WCAG 2.2, as this level is the target for most organizations and regulations.

What checks catch

  • Missing alternative text (alt text) for images
  • Missing form input labels
  • Incorrect heading structure and missing page landmarks
  • Insufficient color contrast between text and background
  • Links or buttons without a clear purpose
  • Missing page titles

What needs manual review

Automated scanning can't understand context or user experience. Critical areas that always require manual testing include:

  • Logical and intuitive keyboard accessibility journeys
  • Real-world screen reader compatibility and usability
  • The clarity and intent of your content and link text
  • Complex interactions like dynamic menus or multi-step forms

Compliance snapshot

achecker.ca helps you meet standards across key jurisdictions. Here's a brief overview:

USA: ADA & Section 508

The Americans with Disabilities Act (ADA) requires businesses to provide accessible digital experiences. While not explicitly naming a standard, courts consistently reference WCAG. Section 508 requires federal agencies to conform to WCAG 2.0 AA.

European Union: EN 301 549 & EAA

The EU Web Accessibility Directive mandates public sector websites and apps meet the EN 301 549 standard, which incorporates WCAG 2.1 AA. The upcoming European Accessibility Act (EAA) will extend similar requirements to the private sector from June 28, 2025.

United Kingdom

The Public Sector Bodies (Websites and Mobile Applications) Accessibility Regulations 2018 require UK public sector bodies to meet WCAG 2.1 AA.

Canada

Ontario's Accessibility for Ontarians with Disabilities Act (AODA) requires many public and private sector websites to meet WCAG 2.0 AA. The federal government has adopted a similar standard under the Accessible Canada Act.

Australia & New Zealand

Australia's Disability Discrimination Act 1992 is supported by the National Transition Strategy, which advises public agencies to meet WCAG 2.0 AA. New Zealand's government requires WCAG 2.1 AA conformance, with an update to WCAG 2.2 AA planned for 2025.

Quick wins after your achecker.ca scan

After you run our accessibility checker, you'll have a clear list of improvements. Focus on these high-impact fixes first:

Add missing form labels: Ensure every input field has a programmatically associated label.

Write a descriptive page title: The <title> tag should accurately describe the page content.

Fix low color contrast: Use a color contrast checker to ensure text is readable.

Eliminate keyboard focus traps: Make sure a user can navigate to and from every interactive element using only a keyboard.

Remove empty links: Anchor tags without text or an accessible name are confusing for screen reader users.

Provide meaningful alt text: Describe the content and function of every informative image.

Once you've made changes, run an accessibility checker (WCAG 2.2) on achecker.ca again to see your Accessibility Score improve!

How your Accessibility Score maps to obligations

Our score directly reflects issues tied to global standards. While a high score is not a legal guarantee, it shows a strong, good-faith effort to align with the technical criteria referenced in laws worldwide. achecker.ca – your WCAG accessibility checker for ADA/Section 508/EU.

Issue ExampleWCAG 2.2 CriterionWhere It Matters
Image missing alt text1.1.1 Non-text Content (A)ADA, Section 508, EN 301 549
Low contrast text1.4.3 Contrast (Minimum) (AA)ADA, Section 508, EN 301 549
Unlabeled form field3.3.2 Labels or Instructions (A)ADA, Section 508, EN 301 549

Trust & privacy

Your privacy is paramount. Scans performed on achecker.ca are anonymous. We do not store, share, or sell the URLs you test or the results generated. Your data is your own.

Disclaimer: The information on this page and the results from our tool do not constitute legal advice. Consult with a qualified legal professional for guidance on specific compliance obligations.

Frequently Asked Questions (FAQ)

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