Best Web Accessibility Testing Tools

Whether you're shipping web or mobile apps, QA Wolf has you covered. We build automated end-to-end tests for 80% of your user flows in weeks, maintain them 24 hours a day, and provide unlimited parallel test runs on our infrastructure. Did we mention that we guarantee zero flakes? We do that too. Here's a helpful list of everything you get out of the box — whether it's 100 tests or 100,000. • End-to-end tests for 80% of user flows automated in weeks, not years • Tests are written in open-source Playwright and Appium (no vendor lock-in) • Unlimited, parallel test runs on any environment you choose • 100% parallel run infrastructure that we host and maintain • 24-hour maintenance of flaky or broken tests • Guaranteed 100% reliable results — zero flakes • Human-verified bug reports • CI/CD integration with your deployment pipeline and issue trackers • 24-hour access to full-time QA engineers at QA Wolf ... it's the QA solution you've always wanted.

Global App Testing (GAT) enables tech teams to conduct testing across 189+ countries with a network of over 60,000 professional testers, using real devices and environments. By leveraging the GAT platform, you can streamline your testing process, boost release quality, and accelerate time-to-market while optimizing budget efficiency. The platform is fully integrated to seamlessly work with your existing DevOps or CI/CD tools. Whether you need ongoing QA support or additional resources to manage peak release cycles, GAT’s integration-driven approach allows you to manage your entire testing workflow—from test initiation to results analysis—without leaving your familiar tools like GitHub, Jira, and TestRail. With our integrated platform, both unscripted exploratory testing and scripted functional test execution can be embedded into your CI/CD and SDLC processes, ensuring perfect alignment with your automation testing tools.

CSS HTML Validator for Windows, Mac, and Linux is a fast, powerful, highly user configurable, and easy to use web development tool that checks HTML, CSS, SEO, spelling, accessibility (including WCAG 2.0/2.1/2.2), PHP, XHTML, JavaScript, htmx, and links. CSS HTML Validator includes batch processing (in the Pro edition), integrated HTML/CSS editing, and much more. It works offline so it's super-fast and your privacy is protected because your documents are not uploaded to a server for checking. CSS HTML Validator Pro has superior customization features so you can configure the validation to your liking. You can even add your own validator messages, recognize your own HTML elements and attributes, and much more. Try CSS HTML Validator Pro for Windows free for 200 validations or 30 days, whichever comes first. A FREE limited version of htmlval for Mac and Linux is also available.

Wally is a comprehensive digital accessibility innovator committed to creating an environment where leveraging accessibility through personalised experiences occurs naturally. Wally solutions are designed to allow web and app users across desktop and mobile to experience user engagement, loyalty and trust by millions of websites globally to increase usability for users of different abilities. Al-powered technologies, combined with human-in-the-loop processes, help websites, apps, and digital documents more readily achieve compliance with accessibility regulations, such as the ADA, Section 508, AODA and EAA, and internationally recognized standards such as WCAG 2.1 AA, WCAG 2.2, and EN 301-549. Wally includes: 360 Content Analyzer - Analyze accessibility of all your content (images, documents, copy, code and websites), before and after you publish them. User Experience Examiner - Analyze your users' experience across your entire digital presence.

BrowserStack is the world’s largest cloud platform for software testing, with 19 global data centers & 20,000+ real Android and iOS devices that power nearly 1 Billion tests a year. BrowserStack's end-to-end unified testing platform is focused on supporting all genres of testing & operations, from functional testing to visual testing, accessibility testing, performance testing, test observability, API testing, and more. Over 50,000 customers, including Amazon, Paypal, Well Fargo Bank, Nvidia, MongoDB, Pfizer, GE, Discovery, React JS, Apache, JQuery and several others rely on BrowserStack to test their web & mobile apps.

In today’s digital landscape, many small businesses struggle to gain visibility on Google and Local Search, which means potential customers can’t find them just when they’re needed the most. Our expertise lies in optimizing your business presence so that you're not only visible but also prominent in local search results. This allows you to focus on what you do best: serving your customers and growing your business. Let Local Siren help you connect with your community and ensure your services shine where it matters.

What is Accessibility Resource Center (ARC)? TPGi’s Accessibility Resource Center (ARC) provides organizations with a platform and suite of accessibility tools to support them at each stage of their accessibility journey. ARC helps teams to adopt a continuous accessibility strategy and embed accessibility testing into their SDLC. ARC includes a scanning and monitoring tool, a library of KnowledgeBase articles, user flow mapping, and testing, and individualized training courses that are integrated and provide code-level techniques in the context of solving a specific problem. Accessibility Resource Center (ARC) Features: ARC Monitoring; ARC KnowledgeBase; ARC User Flows; ARC API; ARC Tutor; ARC HelpDesk; ARC Workspaces; ARC Test Initiatives

Every user should have equal access to your website. Tenon's tools, testing and training fix accessibility for your entire organization. Need an automated accessibility testing tool? Our API integrates into your development pipeline. Need an accessible website asap? Tenon's testers, developers and auditors fix accessibility fast. Need to fix accessibility forever? Tenon can help you to become an accessible organization. Tenon doesn't just make the best automated accessibility testing tools on the market; we can solve any accessibility problem. Tenon has produced hundred of VPATs and accessibility audits. Our rapid remediation service fixes accessibility issues on your website while testing is ongoing. Our developers can train your dev team to write accessible code and help you to define the KPIs and processes you need to become a truly accessible organization. Tenon can ensure your latest pull request is approved or crawl your project weekly and send you a report by e-mail.

Perform enterprise-level accessibility audits and meet your compliance needs with advanced reporting, monitoring, and management of accessibility issues against industry standards or customized guidelines. Axe Monitor helps ensure your large website becomes accessible and remains accessible. Dynamically scan, monitor and report on the accessibility status of your site across business and development teams. Modern web applications driven by large content management systems require automated tools capable of handling unexpected page hierarchies and linking structures. Axe Monitor is designed to follow links dynamically, and allows for scripting of basic user flows to trigger event-driven content and bypass user authentication. Large websites are constantly changing and adding new content. Axe Monitor links content creators, designers, developers and project managers to ensure accessibility throughout the workflow.