Web Accessibility Checker

Check if your website is accessible to people with disabilities and WCAG compliant.

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Check website accessibility just got easier!

The Web Accessibility Checker is an online web accessibility testing tool that scans web pages and validates them for WCAG compliance. Get instant insights into your website's compliance, allowing you to determine the extent of corrections needed and the gap between the website's or HTML document's current state and WCAG requirements. Use the Web Accessibility Checker in your browser for checks to identify accessibility errors without limitations for free!

Open your website to everyone!

Web accessibility ensures that all people, regardless of their ability or disability, can access and use the Internet. This promotes inclusivity and equal opportunity to participate in the digital world. Web accessibility is an ethical and moral obligation and promotes the social inclusion of people with disabilities. This reflects a desire to treat everyone respectfully and give them the same rights and opportunities to access information and services. This is not just a technical requirement but a fundamental aspect of creating an inclusive and equitable online environment.
To make websites accessible, web developers and designers follow WCAG (Web Content Accessibility Guidelines) published by W3C. In many regions, there are legal requirements and regulations, such as the Americans with Disabilities Act (ADA) in the United States or the European Accessibility Act, that mandate web accessibility compliance. Remember that accessibility is a complex, ongoing process, so use web accessibility testing tools to stay informed about your website's WCAG compliance and make improvements in time!
  • Quick and easy way to find out if your website is accessible
  • Powerful and robust WCAG compliance checker
  • Detailed and accurate results are ready for review in seconds
  • Free service that helps raise awareness of web accessibility
  • Designed to focus on full WCAG 2.0 compliance
  • No limits, no registration and installation of additional software

How to use Web Accessibility Checker

  • In the drop-down menu, select a way to load HTML. You can load a web page from a URL, a file from a local file system, or add code for checking. File formats checked for accessibility include HTML and CSS.
  • Click the „Check“ button to start the validation. The Web Accessibility Checker scans your website or HTML document for accessibility errors and issues with WCAG compliance.
  • A report will appear describing the accessibility status of the checked webpage. In the report, you will see the total number of errors and warnings, a list of all deficiencies with their description, and code fragments in which the issue was found.
  • You can export the report to JSON, XML, or TXT file for additional analysis.


  • Why is Web Accessibility Important?According to the World Health Organization's 2011 World Report on Disability, 15% of the world's population has some form of disability, and the number of people with disabilities is steadily increasing. As the Internet becomes an increasingly important resource in many aspects of people's lives every day, it must be accessible to everyone and provide equal access and opportunity to people with different abilities.
  • What is the WCAG Standard?The Web Content Accessibility Guidelines (WCAG) is an international standard created by the World Wide Web Consortium (W3C). WCAG provides a set of criteria, norms, and recommendations for making accessible web content, and it is widely adopted as a reference in the industry.
  • How to Make Your Website Accessible?Website accessibility is primarily the process of web development and design using tools and technologies to facilitate the perception, understanding, participation, navigation, and interaction of a person with a disability on a website. Slow website loading, small fonts, poor contrast, and frustration when navigating a page are a nuisance to any user. But for people with disabilities, they can ultimately limit the use of the Internet.
  • What are WCAG levels?WCAG 2.0 guidelines are divided into three levels of compliance to meet the needs of different groups: A (lowest), AA (mid-range), and AAA (highest). Compliance at higher levels means compliance at lower levels. For example, by complying with AA, a web page meets compliance levels A and AA. Level AA compliance is a general policy for all information on the Internet, as it is not always possible to meet all Level AAA success criteria.
  • How do I check that my website is accessible?To check if your website is accessible, use the Web Accessibility Checker. This tool identifies problems and suggests improvements. Remember, accessibility is an ongoing process. Regular testing, user feedback, and updates are essential to ensure your website remains accessible to all users.
  • Fast and Easy Web Accessibility Checker

    Choose your HTML loading method and click „Check“ to begin validation. The Web Accessibility Checker scans for WCAG compliance issues, generating a detailed report with error counts, issue descriptions, affected code fragments, and export options for further analysis in JSON, XML, or TXT format.
  • Check WCAG Website Compliance from Anywhere

    Our web accessibility audit tool works from all platforms including Windows, Linux, Mac OS, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.
  • Accessibility Validation Quality

    The Web Accessibility Checker scans your website and checks for accessibility errors and issues. All data are processed using Aspose APIs, which are established well in the software industry and used by many Fortune 100 companies across 114 countries.
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