What are the best and free tools to perform Web accessibility testing?

Please can anyone please suggest me what are the best and free tools to perform Web accessibility testing.

Accessibility testing means to make sure that your website is user-friendly for the users with disabilities like hearing, color blindness, old age and other disadvantaged groups. It is a subset of usability testing.

The Web Accessibility Initiative (WAI) defines and lays out the strategy for preliminary and conformance reviews of websites for accessibility testing. The Web Accessibility Initiative (WAI) consists of a list of software tools. These tools help with conformance evaluations.

A lot of online tools are also available these days to performing streamlined accessibility testing of websites. Here, we have compiled a list of such tools for you –

1. DYNO Mapper

DYNO Mapper is a tool that is used to check the accessibility of various websites and applications. You may test the accessibility of any public website or online application using DYNO Mapper. The platform has a feature called ‘visualize’ that lets its users view the accessibility tests live in a browser. Apart from that, it evaluates HTML content of the website and creates a sitemap for URL. It generates efficient online reports which are saved for easy access by shared sub-users.

2. Bureau Of Internet Accessibility

With the passage of time, it has become essential for all the mobile and desktop applications to be compliant with the accessibility standards. However, it can be difficult to understand the WCAG 2.0 Guidelines and other complex standards. The Bureau of Internet Accessibility (BoIA) has been set up with an aim to make the web as accessible as possible. The platform generates extensive outputs and has been helping the business houses resolve their accessibility testing issues since long. It has an easy to understand interface and makes sure that the web and mobile accessibility efforts are meaningful and successful for the user.

3. Automated Accessibility Testing Tool

No longer do you need to develop, test, and use a separate accessibility test suite for your website. Make use of Automated Accessibility Testing Tool by PayPal to put together accessibility testing into the testing regime that you already have been using and save a lot of time. The tool is renowned for testing web applications regarding conformance to the Web Content Accessibility Guidelines (WCAG) 2.0 with ease and accuracy. You may even configure test server configurations inside the firewall, and test individual pages using this platform.

4. CKEditor 4 Accessibility Checker

Use CKEditor 4 accessibility checker to inspect the accessibility of your created content. The tool helps you resolve any issues at once and ensures compliance with the latest WCAG 2.0 and Section 5.08 requirements. It makes your content accessible in real time and is a real lifesaver. The accessibility checker is a whole new feature launched by CKEditor. The latest version 1.0 was released on May 19, 2016. The tool has an incredibly simple user interface and ensures the accessibility of the content without any complications. This award-winning platform has been getting excellent reviews from users all over the world.

5. Cynthia Says

Cynthia Says is a portal offered through HiSoftware and assists its users in identifying the web accessibility compliance errors in their website or web portal. Using the platform, the users can test their individual pages on their website. The tool will provide them with feedback in an easily understandable format. It was launched with an aim to inform the community on what constitutes accessible web design and accessible content.