Best Accessibility Testing Tools
“The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect.” – Tim Berners-Lee, Inventor of the World Wide Web
As the digital world expands, so does the responsibility of making it inclusive. According to the World Health Organization, over 1.3 billion people worldwide live with some form of disability, which is roughly 16% of the global population.
That’s where accessibility testing becomes essential and choosing the best accessibility testing tools can significantly improve user experience, legal compliance, and brand reputation.
What is Accessibility Testing?
Accessibility Testing is a subset of usability testing that ensures digital products such as websites, mobile apps, and software are usable by individuals with disabilities, including those with visual, auditory, cognitive, or motor impairments.
It involves checking:
-
Whether screen readers interpret content accurately
-
If users can navigate using just a keyboard
-
If color contrast meets WCAG guidelines
-
Whether all interactive elements are accessible
The goal of accessibility testing is to remove barriers and ensure equal access to information and functionality, regardless of the user's ability.
Importance of Accessibility Testing
- Legal Compliance
Many countries enforce digital accessibility standards like WCAG, ADA, and Section 508. Non-compliance can lead to lawsuits and fines.
- Inclusive User Experience
Ensuring accessibility improves the UX for everyone—not just users with disabilities.
- Brand Reputation
Brands that prioritize accessibility demonstrate social responsibility and care, building user trust and loyalty.
- SEO Benefits
Accessible websites tend to have cleaner code, better metadata, and structured content, all of which boost search engine rankings.
- Wider Reach
By making your digital product accessible, you're expanding your potential audience significantly—potentially reaching millions more users.
Best Accessibility Testing Tool
1. DevAssure: The AI-Driven Accessibility Testing Tool
When it comes to the best accessibility testing tools, DevAssure stands out by combining AI-agentic intelligence, low-code workflows, and real-time validation into one powerful platform.
How to Perform Accessibility Testing Using DevAssure
Using DevAssure’s test automation platform, users can easily interleave accessibility test steps with just a click. Users can verify the accessibility of an entire page or a particular element.
Check the below video to know more about how DevAssure can help users to check the Accessibility of a software application
🚀 See how DevAssure accelerates test automation, improves coverage, and reduces QA effort.
Schedule a customized demo with our team today.
2. axe DevTools
axe DevTools is a browser extension and API from Deque Systems that automatically scans pages for WCAG compliance issues.
-
Works with Chrome, Firefox, and Edge.
-
Offers in-browser issue inspection and fix suggestions.
-
Integrates with Selenium, Cypress, and Playwright.
3. WAVE (Web Accessibility Evaluation Tool)
A free tool by WebAIM that provides visual feedback about accessibility issues directly on your page.
-
Highlights errors, alerts, and contrast problems.
-
Easy for quick manual checks.
-
Great for small projects and fast assessments.
4. Lighthouse
Lighthouse is Google’s open-source tool for auditing web performance and accessibility.
-
Built into Chrome DevTools.
-
Generates a score and suggestions for improvement.
-
Good for quick, developer-friendly reports.
5. Pa11y
Pa11y is an automated accessibility testing framework for command-line and CI/CD environments.
-
Supports JSON/HTML reports.
-
Can be integrated into build pipelines.
-
Works well for teams with custom workflows.
6. Siteimprove Accessibility
Siteimprove Accessibility is a paid enterprise platform that continuously monitors and reports accessibility compliance.
-
Offers in-depth WCAG compliance tracking.
-
Includes training resources for teams.
-
Ideal for large organizations.
🔍 Why DevAssure?
- Auto-Detects WCAG Violations:
DevAssure automatically scans and flags WCAG 2.1 Level A, AA, and AAA violations across your web or mobile application.
- Screen Reader & Keyboard Navigation Validation
Ensures that your content is fully navigable using keyboard-only inputs and compatible with popular screen readers.
- Color Contrast Analyzer
Checks visual elements to ensure color contrast ratios meet accessibility standards.
Testers and product owners can run accessibility validations without writing code—empowering everyone on the team.
- CI/CD Integration
Seamlessly plug accessibility checks into your deployment pipelines for continuous compliance.
- Real-Time Reporting
Visual dashboards and actionable insights make it easy to prioritize and resolve issues.
DevAssure is the ideal tool for modern teams that want fast, scalable, and AI-powered accessibility validation without deep technical effort.
🚀 See how DevAssure accelerates test automation, improves coverage, and reduces QA effort.
Schedule a customized demo with our team today.
Conclusion
Accessibility is no longer optional—it’s a digital responsibility and a legal necessity. By leveraging the best accessibility testing tools, such as DevAssure, teams can ensure their applications are inclusive, compliant, and future-ready. Whether you're building for the public sector, eCommerce, or SaaS, investing in accessibility testing isn't just ethical—it’s smart business.
Make your products accessible to all—because equal access is not a feature; it's a right.