Top 16 Accessibility Testing Tools for Web Applications

Overview of the best web accessibility testing tools and techniques in the market:

All that You need to know about Web Accessibility Testing was explained in detail in our previous tutorial.

Accessibility is the term that refers to the accessibility of any software system to people without or with physical disability or impairments. Such impairments include:

• Visual Impairments: Color blindness, low vision, complete or partial blindness, etc
• Hearing Disabilities: Hyperacusis, Deafness etc
• Learning Disabilities: Dyslexia
• Cognitive Impairments: Autism or any kind of head injury
• Deftness, paralysis, cerebral palsy etc

There are some dedicated software tools which have been used so far to check the Accessibility of the software system.

After reading this article you will be in a position to have information of most popular Accessibility Testing Tools.

What is Accessibility Testing

• Basically, Accessibility Testing is the subset of Usability Testing.
• Accessibility Testing is performed to check whether the system is accessible even by people with physical disabilities mentioned above.
• There are some good applications which are one step ahead to check for,
  • The performance of a system in areas with a poor communication infrastructure
  • People with less computer literacy and restricted access
  • People who are still using old systems without advanced equipment

Recommended Reading => Web Accessibility Testing

What is WCAG

1. WCAG is an acronym for Web Content Accessibility Guidelines published by Web Accessibility Initiative (WAI) and the World Wide Web Consortium (W3C).
2. WCAG is a set of guidelines that specify how it has to be followed to check the system’s accessibility, especially for people with disabilities.
3. The current version of WCAG is 2.0 published in December 2008 till now.
4. Some Principles defined by WCAG for system accessibility are as follows
   • Perceivable
   • Operable
   • Understandable
   • Robust

Following tasks are being verified by Accessibility Testing Tools:

1. Descriptive Link Text
2. Avoid Pop-ups
3. Small and simple sentences
4. Simple language
5. Easy navigations
6. Use of CSS layouts instead of HTML

According to working specifications, Accessibility Testing Tools are categorized as:

1. Screen Reader Software: Read out the contents on the screen
2. Speech Recognition Software: Converts the spoken words into text
3. Special Keyboard: Ease of typing using this keyboard especially people with motor impairments
4. Screen Magnification Software: Dedicated to vision-impaired users thus it is used to enlarge the display such that the reading will be easier

Now we will review some Accessibility  Testing Tools one by one that makes this process easier to perform.

Best Web Accessibility Testing Tools and Solutions

Here is a list of the best manual and automated accessibility testing tools for web-based and mobile applications.

#1) QualityLogic

Best for assuring WCAG 2.1 AA and AAA certification.

QualityLogic offers the perfect blend of automated and manual testing services to prove website accessibility and achieve WCAG 2.1 AA and AAA certification. Visually impaired QA engineers with precise knowledge ensure website accessibility through testing.

QualityLogic leverages automated tools to discover issues like structural issues, HTML bugs, contrast errors, etc. QualityLogic also shines in the reporting department as well. Upon the conclusion of tests, QualityLogic immediately creates a compliance report that contains a summary of the detected errors.

As we mentioned before, assuring necessary compliance is where QualityLogic truly excels. Regression tests are run to ensure WCAG 2.1 AA and AAA compliance once errors are fixed by QualityLogic’s team of technicians. You can count on QualityLogic’s team to monitor your site daily to ensure consistent compliance.

Besides assuring compliance, QualityLogic’s team also provides you with invaluable usability advice and recommends some tips for enhancements that could make your site more user-friendly.

Features:

• Automated Testing: QualityLogic’s team relies on specific automation tools to test your site and uncover errors. The tools employed can detect issues like HTML bugs, structural issues, etc.
• Manual Testing: The company is home to WCAG-certified test technicians who audit your site. They run manual tests to uncover issues that are most likely to affect one’s customers.
• Regression Testing: You are provided with a report that contains a summary of all errors found. Based on this report, a regression test is performed to ensure WCAG 2.11 AA and AAA compliance.
• Accessibility Certification: Receive attestation from QualityLogic, which certifies that your website is now fully WCAG compliant. Your site is monitored continuously to ensure this remains the case for a long time.

Our Review: QualityLogic is one of the more popular accessibility testing tool providers on this list. Their internal team of experts does a good job of testing your mobile, web, and software application’s accessibility.

If you wish to increase your chances of achieving full WCAG 2.1 AA and AAA compliance, then by all means, look no further than QualityLogic.

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#2) Userway

Best for AI-powered accessibility testing.

UserWay provides a range of solutions that are all designed to simplify accessibility testing of your website. UserWay stands apart from the rest for its AI powered accessibility testing widget, which essentially automates and streamlines the process. The Widget integrates seamlessly with your website and will accommodate to users with varying disabilities. 

To appropriately use UserWay, you need to integrate a line of code with CMS platforms like Shopify and WordPress. The AI-driven Widget will then will modify text space, enable keyboard navigation, and do everything necessary to enhance a website’s accessibility. Besides the Widget, UserWay also offers a plethora of features that can mainly help you with accessibility scanning and auditing. 

Features:

• UI/UX Enhancement
• WCAG and ADA Compliance
• Customizable UI
• PDF Remediation
• Accessibility Scanner

Verdict: UserWay is quite an effective accessibility testing solution. Its AI powered Widget considerably simplifies the accessibility testing process. Plus, it makes compliance with ADA and WCAG regulations very simple. 

Price: The accessibility Widget starts at $490/year. The accessibility monitor will cost you $990/year. The custom bundle starts at $12000/year.

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#3) WAVE

Best for browser extension for Chrome, Firefox, and Edge.

WAVE is a tool developed by WebAIM for evaluating the accessibility of web content. It is a web accessibility evaluation tool that evaluates the accessibility of web content by annotating the copy of a web page. Perhaps the best aspect of WAVE is its browser extension.

WAVE tool is available online as a browser extension for Chrome, Firefox, and Edge. This extension allows you to test accessibility from within a web browser. You can leverage this extension to check password-protected, locally stored, and highly dynamic pages.

It is a web accessibility evaluation tool that evaluates the accessibility of web content by annotating the copy of a web page. WAVE also shows some recommendations for overcoming accessibility issues in the system.

Features:

• Browser Extension: WAVE comes as a browser extension that facilitates accessibility testing within the web browser. The extension is compatible with Chrome, Edge, and Firefox.
• Testing Engine: The WAVE testing engine is a powerful tool. You can use it to gather accessibility test data from many pages.
• Easy Integration: The tool integrates seamlessly with your infrastructure. It can be used for testing non-public and secure pages.
• Assessment Reports: You are provided with detailed test data. The reports entail profound insights into the accessibility of your website, especially for users with disabilities.

Our Review: With WAVE, you get a comprehensive suite of tools that together to help you make your website user-friendly for disabled individuals. You can use WAVE’s tools to identify many relevant accessibility and WCAG errors without hassle.

Website: https://wave.webaim.org/

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#4) Dynomapper

Best for automated website crawling.

Dynomapper is a Visual Sitemap Generator of 4 types: Default, Circle, Tree, and Folder. It evaluates the HTML contents of the website and can create a sitemap from any URL. It imports XML files to generate a sitemap. It also provides content inventory and audit for filtering pages, files, images, etc.

Possesses Advanced Crawler Options to arrange links and follow sub-domains. You can edit and customize sitemaps using colors and set them to their maximum level. You can rely on the tool to assess a website’s HTML content in order to uncover accessibility problems as well.

The tool does a good job of reviewing accessibility issues with each page to resolve them more efficiently. As such, you can expect Dynomapper to leave you with a site that’s capable of delivering a pleasurable user experience.

Features:

• WCAG Compliance: The tool is highly focused on ensuring compliance with WCAG. It can effectively identify and resolve issues about WCAG 2.0 and 2.1.
• Accessibility Auditing: Dynomapper checks your site for a diverse range of accessibility issues. This includes auditing a site for semantic HTML, color contrast, image alt texts, etc.
• Accessibility Reporting: Dynomapper arms you with detailed reports that contain insight into accessibility issues. You are provided with the information necessary to tackle this issue.
• Web Crawling: The tool can automatically crawl your entire site. This feature makes the tool ideal for scanning large websites.

Our Review: Dynomapper is a tool I’d recommend to website developers, designers, and owners who want to make their site more accessible to individuals with disabilities. The tool is perhaps best suited for uncovering accessibility issues plaguing large websites briskly.

Website: https://dynomapper.com/features/website-accessibility-testing

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#5) Remediate

Best for Automated Digital Accessibility Testing

With Remediate, you get a tool that performs automated digital accessibility testing for websites, online applications, and PDFs. It does so while strictly adhering to guidelines dictated in WCAG. In other words, the tool helps you stay compliant with WCAG regulations across all conformation levels.

Remediate allows you to schedule your accessibility test across multiple websites and web applications. Once an error is identified, the relevant team members are notified immediately of its presence so they can take the necessary actions. The tool also recommends a few remediation tactics that could help you address the identified accessibility error.

With the help of Remediate’s Custom Form Application tool, you’ll also be able to test web applications and private websites that fall behind a login page. The tool works with most multi-factor authentication protocols and requires no installation from your side.

Features:

• WCAG Compliance: The tool tests your website and web applications against WCAG guidelines. It ensures your site and app adhere to WCAG standards across multiple conformance levels.
• Scheduled Testing: The tool lets you schedule your accessibility tests. This way, the tool automatically starts testing a website or web app on the scheduled date and time.
• Repair Recommendations: Remediate plays a significant role in addressing accessibility errors. It takes the identified error into account and suggests ideas that could help alleviate the issue once and for all.
• Reporting: The tool can generate in-depth reports on the identified accessibility issues. These reports can be downloaded and sent to relevant team members as well.

Our Review: Remediate is one of the finest accessibility testing tools, largely because of its adherence to WCAG standards and scheduling capabilities. The tool also does a good job in the remediation and issue-tracking department as well.

Website: https://remediate.co/

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#6) Google Lighthouse

Best for open-source automation tool.

With Google Lighthouse, you get an open-source solution that can effectively automate website accessibility testing. The tool works efficiently within Google Chrome. You can access the tool from Chrome Developer Tools. The best part is that you don’t have to bother setting it up or installing it as an extension.

The primary role of Google Lighthouse is to serve as an auditing tool. The audits it performs are in line with the regulations dictated by WCAG. It will perform these audits to uncover accessibility errors like color contrast, missing alt text, uncanny header structures, and more. Once the audit is over, Lighthouse presents you with a score depicting just how accessible your website is.

Furthermore, you are also provided with suggestions on how to improve this score. Lighthouse integrates seamlessly with other analytical tools as well. It is also highly configurable and lets you create custom tests via JavaScript.

Features:

• Accessibility Tests: Lighthouse performance audits to ensure compliance with WCAG requirements. It plays an instrumental role in fixing accessibility issues.
• SEO Audits: The tool evaluates and recommends actions to improve a site’s SEO. It audits a site for its metadata, headings, usability, etc.
• PWA Audits: You can use Lighthouse to check whether a web page can qualify as a progressive web app. It performs audits to identify PWA features as responsive design and offline abilities.
• Accessibility Metrics: The tool assesses critical performance metrics like interactive time, page load, and speed. It then offers insights on how to improve web page performance.

Our Review: Google Lighthouse is an open-source all-in-one tool that I would recommend for its accessibility auditing capabilities. The tool is easy to use and integrates well with other analytical tools for excellent results.

Website: https://developers.google.com/web/tools/lighthouse/

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#7) Testsigma

Best for creating automated tests rapidly.

Testsigma is a platform that helps you create stable automated tests without the hassle of going through numerous complex steps. Just a few clicks is all it will take for you to set up a test. The tool can create test steps for any scenario as quickly as possible. You can create test steps by either recording user actions to writing them in English.

The tests can be executed in your local browser or device. The tool works well with over 800 different types of browsers and over 2,000 different devices. You are provided with real-time reports you can view via an intuitive dashboard. You can analyze these tests at the individual, test suite, and device levels.

Features:

• Auto-Capture Steps: The tool allows you to create test steps automatically by recording user actions. Alternatively, you can create tests by simply writing them in English
• Step-Wise Results: The tool presents you with step-wise results for each test performed. You can analyze these tests via a user-friendly dashboard.
• AI Maintenance: The tool comes equipped with a smart AI that can automate your maintenance. This AI can automatically fix issues uncovered.
• Data-Driven Testing: The tool makes it easier to create, import, use, and manage test data in one place. The data-driven testing presents you with actionable insights on tackling accessibility issues.

Our Review: If you want a tool that can create automated tests faster, then Testsigma is a platform we would recommend. This is a tool you can count on to perform accessibility tests on web, mobile, and desktop apps in one place.

Website: https://testsigma.com/

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#8) Axe

Best for enterprise-grade testing.

Axe is a free, open-source accessibility testing tool by Deque Systems for Chrome and Firefox. You can add the Axe extension for Chrome or an Axe extension for Firefox to analyze web content. The list of accessibility issues with a clickable link displaying additional information for each issue is the final output of the test.

Axe shows the exact piece of code that caused the issue along with the solution to fix it. It shows the severity of each of the issues found and analyzes the accessibility violations for WCAG 2.0 and Section 508 compliance. Axe tool allows performing manual accessibility testing using a screen reader for some areas.

The company also offers a customized demo of its tool, which you can use to see how well the tool can fulfill your goals. The demo is customized to meet your short and long-term demands.

Features:

• Browser Extension: The tool makes accessibility testing easier via browser extension. The tool currently comes as an extension for Chrome, Firefox, and Edge.
• Automated Testing: The tool automates various aspects of accessibility testing. The automated testing works well to uncover almost all major accessibility issues.
• Compliance: Axe’s tools help your website stay compliant with the regulations. The tool can scan, monitor, and report on your site’s accessibility status dynamically around the clock.
• Open Source Library: Thanks to the open-source Axe rules library, you can build accessibility tests within your automated testing environment with Axe’s solutions.

Our Review: Axe offers a comprehensive suite of tools that can help developers and designers catch accessibility issues in the coding stage itself. The tools can identify a wide range of issues while ensuring your website remains compliant.

Website: https://www.deque.com/axe/

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#9) Accessibility Checklist

Best for checking success criteria for web accessibility.

As the name suggests, this is a checklist that lets you assess the success criteria for web accessibility. The checklist adheres to the guidelines expressed in the Elsevier Accessibility Policy. The policy states that web sites should conform to a set of guidelines for a favorable accessibility score.

Those guidelines entail W3C’s Web Content Accessibility Guidelines 2.0 and the section 508 amendment to the US Rehabilitation act of 1973. For each of the above mentioned guideline, you get a coherent explanation, the rationale for it, and action points that you could to resolve the identified accessibility issue.

The tool offers you a long list of guidelines to follow, which you can filter for more convenience. The checklist is constantly updating itself to uncover even more accessibility issues without any hassle.

Features:

• Search functionality
• Dynamic title changes
• Visible focus indicator
• ARIA Live Region updates

Our Review: Accessibility Checklist simplifies the testing process and can also help you save time. This is a platform I would recommend testers, designers, and developers for a hassle-free website accessibility testing experience.

Website: https://romeo.elsevier.com/accessibility_checklist/

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#10) ACTF aDesigner

Best for disability simulation.

ACTF aDesigner powered by Eclipse is popular as a Disability Simulator for evaluating the accessibility of the website for visually impaired users. The combined use of Voice Browser and Screen Reader reads the text on a web page clearly.

This tool checks the accessibility of Flash Contents and ODF documents (Open Document Format for Office Application). ODF is generally an XML-based file format for spreadsheets, charts, etc. aDesigner is packaged with an Accessibility Information Inspection Function.

This tool is dedicated to creating websites for users with low vision or blindness. The tool is designed keeping usability in mind. We like the tool’s inclusion of keyboard navigation and text-to-speech output. Plus, the tool also is highly configurable, thus adding to the convenience of using it.

Features:

• Keyboard Navigation Simulation: The tool can simulate keyboard navigation. This plays a critical role in helping you assess the operability of UIs in the absence of a tangible keyboard.
• ARIA Support: The tool works well with accessible rich internet applications. You can use it to identify ARIA-related accessibility errors.
• Text-to-Speech Output: The tool can offer you spoken feedback via text-to-speech technology. This helps developers understand how a UI is presented to folks with visual loss.
• Accessibility Checkpoints: The tool sets up accessibility checkpoints based on WCAG standards. This is an essential feature that makes uncovering accessibility errors easy.

Our Review: ACTF aDesigner stands out for its unique features and focuses on the graphical aspects of a UI. The tool can be tailored according to your specific needs and also does a good job of helping you adhere to accepted accessibility standards.

Website: https://www.eclipse.org/actf/downloads/tools/aDesigner/

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#11) Siteimprove

Best for web-based accessibility checker.

Siteimprove is perhaps best known for its web-based accessibility checker, which makes the prospect of assessing website accessibility very simple. All you have to do is visit its official website and fill in the text box presented to you on the home page. Add your page URL, work email, and industry before you hit the ‘Scan Now’ button.

The tool helps you prioritize your attention towards an accessibility error based on their difficulty to fix, frequency, and conformance level. We also like how easy it is to use. You don’t have to be an expert to get started with this tool. The tool will accurately identify issues with the help of in-code and on-page highlights.

The tool also arms you with historical graphs and DCI scores to depict just how close you are to compliance across all sites. Thanks to the automated accessibility reports, you have a very simple way of measuring progress.

Features:

• Automated Checks: Siteimprove performs automated scans while adhering to WCAG guidelines. You’ll be able to audit hundreds of web pages quickly.
• Practical Recommendations: You get all the information you need to understand accessibility issues. You are also offered actionable insights to address these issues.
• Issue Highlighting: The page reports let you see accessibility highlighted on your web page. With the help of CMS deep linking, you’ll be able to address this highlighted issue on the page itself.
• Categorization: The issues detected are categorized based on their location on site. This can help you prioritize and speed up remediation action.

Our Review: Siteimprove provides you with an easy-to-use accessibility testing tool that not only identifies accessibility errors but also helps you fully adhere to WCAG standards. The tool is excellent at performing automated checks and helping you measure progress.

Website: https://www.siteimprove.com/product/accessibility/

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#12) SortSite

Best for testing website on Mac and Windows.

SortSite is a phenomenal accessibility and usability test that lets you perform these tasks in just a few clicks. It is perhaps best known for being a popular one-click user experience testing tool for Mac, OS X, and Windows.

It can evaluate the accessibility of a website against Accessibility standards such as WCAG 2.0 110 checkpoints, WCAG 1.0 85 checkpoints, and Section 508 15 US 47 checkpoints

The tool is compatible with IE, Desktop browser, and Mobile Browser. It can easily check for English and French spelling. Simply put, it serves as a custom dictionary for words out of the box. You can count on the tool to perform checks for HTTP error codes and script errors as well. It can also help you validate HTML, CSS, and XHTML.

Features:

• Evidence-Based Testing: SortSite performs evidence-based testing. This can help reduce the number of false positives detected.
• Automated Testing: The tool is quite dynamic for performing automated tests. It can help reduce your team’s workload and emphasize areas that need human judgment.
• UsabilityTesting: SortSite can test your website for problems that make it non-user-friendly. The tool performs such a test against guidelines dictated by Usability.gov.
• Broken Link Checks: SortSite can scan your website across multiple pages to find broken links and other types of errors.

Our Review: SortSite is a platform if you wish to check your websites for accessibility issues, broken links, spelling errors, SEO errors, and a lot more. The tool works well on both a Mac and Windows system and ensures your website meets expected web standards globally.

Website: https://www.powermapper.com/products/sortsite/

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#13) AccessiBe

Best for WCAG and ADA Compliance Assurance.

AccessiBe is yet another accessibility testing tool you can use to achieve WCAG and ADA compliance. What makes AccessiBe unique on this list is its employment of a smart AI. The tool essentially uses AI, computer vision, and machine learning to streamline the entire accessibility testing process.

This tool is known as accessWidget and uses two applications to remediate a website. Its accessibility interface can make UI and design-related changes. Its AI handles complex tasks like optimizing a site for keyword navigation and screen readers.

Another tool that AccessiBe is famous for is the accessFlow. This tool can test, monitor, and remediate the accessibility of web applications and websites. The tool caters more to developers. The tool lets you continuously audit websites by simulating assistive tech sessions and creating a remediation project that you and your team must follow.

Features:

• Issue Categorization: The tool’s AI helps you identify buttons, pop-ups, dropdowns, form labels, etc. It arms you with a workable list.
• Remediation Workflow: Get a list of tasks automatically. This list is organized by priority and type to help you fix accessibility.
• Code Suggestions: The tool shows you which source code has been affected due to an uncovered issue. It then suggests a code sample that can remediate the issue.
• Collaboration: The tool comes with built-in project and task workflow management. You can assign team members to each issue and track them from the dashboard.

Our Review: AccessiBe offers you AI-powered tools to streamline the accessibility testing process for both websites and web applications. The tool is excellent at helping you achieve WCAG and ADA compliance certificates.

Website: https://accessibe.com/

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#14) Accessibility Checker by CKEditor

Best for: Fast accessibility evaluation

Accessibility Checker by CKEditor is another tool that lets you find and fix accessibility issues in just a few clicks. Accessibility Checker is created in CKEditor to inspect the level of accessibility. It Helps to solve accessibility issues quickly with an optimized user interface

It evaluates accessibility in 3 steps. These steps entail Content Validation, Report Issues, and Fixing the issue. The categorization of the identified issues includes Error, Warning, and Notice. You are provided with an Accessibility Checking Engine for flexibility.

The Quick Fix feature automatically fixes common problems and saves time. You can also add changes manually as per requirements. This can be done using the Listening Mode feature.

Features:

• Quick Fix: The tool does a good job of uncovering accessibility issues. It then lets you fix common issues automatically.
• Checking Mode: This feature reports on issues found in editor content. You are presented with a panel that holds critical information concerning a focused issue.
• Listening Mode: This feature is triggered when you wish to change a document. This way you can quickly return to a document to make minor changes.
• Keyboard Shortcuts: The tool comes with excellent keyboard support. The keyboard shortcuts help you navigate the tool with just a single tap of a button.

Our Review: Accessibility Checker is a great tool if you wish to test the accessibility level of content created in CKEditor. It can fix any issue detected with a UI that’s optimized for quick problem-solving.

Website: https://ckeditor.com/cke4/addon/a11ychecker

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#15) JAWS

Best for screen readers for Visually Impaired Folks.

JAWS (Job Access With Speech) is a tool developed by Freedom Scientific used as a Blindness Solution. It is the most popular Screen Reader for customers who have lost their vision. Some of the good features of JAWS include two multi-lingual synthesizers, Viz. Eloquence and Vocalizer Expressive

It works well with IE, Firefox, and Microsoft Office and also supports Windows with its touch screen gesture. It also facilitates Fast Information Access and time-saving using Skim Reading. It also Supports MathML contents of IE and its OCR feature provides access to the text and PDF documents.

It provides Braille input from the braille keyboard and also includes drivers for the braille display. This is, by far, its best feature and why it ends up on my list. The tool is also very easy to use, with Daisy formatted basic training.

Features:

• Customizable Speech: JAWS comes with an extensive list of customization options. You can configure voice preferences, speech rate, and braille display settings with ease.
• Screen Navigation: You also get a diverse range of navigation capabilities. The tool allows visually impaired people to efficiently move through apps, web pages, etc. through keyboard, shortcuts, and gestures.
• Braille Support: JAWS works well with Braille displays. This makes the tool more accessible and easy to use for individuals who are apt at Braille.
• Document Reading: You are acquainted with a bunch of tools that can help you read and navigate documents easily. The tool also makes it easy to quickly search for specific words or phrases.

Our Review: Hailed as one of the most popular screen readers for visually impaired folks, JAWS is a great tool for users afflicted by some form of visual loss. This is a great tool that you can rely on to get Braille output for some of the most popular applications on PC.

Website: https://www.freedomscientific.com/products/accessibility-testing/

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#16) CSS HTML Validator

Best for customizable website checking.

CSS HTML Validator fixes website issues about its usability very effectively. It is quick in its functioning and does not send your HTML and CSS documents over the internet. So you can rest assured of your privacy when using this tool. The tool works fine without any internet access.

The best aspect of this tool is its custom syntax-checking engine. This engine is designed to test HTML, CSS, and other such frameworks. The tool is highly customizable and can be configured to best suit your needs. The tool also works fine on Windows, Linux, and Mac devices. There is a 30-day money-back guarantee offered with this one as well.

Features:

• Offline Functionality: The software works on your computer directly. As such, you don’t need internet access to get the most out of this tool.
• SEO Checker: The tool scans your web pages for SEO issues. As such, you can use the tool to address these issues and improve your website’s search engine rankings.
• Link Checker: The tool can unearth broken backlinks. It does wonders for the all-around optimization of your website.
• Spell Checker: The tool also helps fix the content quality of your website. It can perform spell checks and fix the issues to provide web visitors with a better experience.

Our Review: CSS HTML Validator is a tool that does a lot more than just run accessibility tests. It is fast, highly customizable, and above all, works fine offline. It is a tool that businesses of all sizes can rely on to optimize their website’s usability.

Website: https://www.htmlvalidator.com/

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#17) QASource

Best for customized testing.

QASource makes it to my list because of its commitment to articulating the best testing approach for its clients. QASource’s team takes its sweet time understanding your environments and systems in order to customize their service to your specific needs.

QASource is home to a huge team of QA engineers that meet the challenges that emerge during the SDLC so you can deliver high-quality software to the market in time. QASource employs both ML and AL for automation testing.

The engineering team of QASource can create test cases for both new and existing features. They can test mobile apps to ensure optimized UI performance and speed across multiple carriers. They are also experts at developing a QA strategy that caters to a business’s specific requirements. QASource is also excellent at IoT, Blockchain, and Salesforce testing.

Features:

• Security Testing: QASource offers a wide range of security testing services. You can count on QASource’s team to run tests on applications to ensure all confidential information is secure.
• Load and Performance Testing: QASource employs a wide range of techniques like volume, soak, and load testing. As such, QASource is great for testing an app’s performance during increased load situations.
• Mobile App Testing: You can count on QASource’s team for robust end-to-end mobile app testing. They’ll test the UI, speed, and functionality of a mobile app to ensure it working fine before launch.
• QA Consulting: QASource can craft a well-integrated QA strategy for your project. This strategy could help you tackle roadblocks, gaps, and project inefficiencies.

Our Review: QASource is home to a team of over 1100 engineers who possess the domain expertise and insight necessary to refine your mobile or web app’s accessibility. Their commitment to delivering custom solutions makes us comfortable putting it so high up on our list.

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Conclusion

Accessibility of any software system is a much important element to be tested as it avails the product to be used by everyone, especially users with physical disabilities.

Today the large ratio of physically disabled people are considerably using software products for their day to day work and Accessibility Testing Tools are making websites more and more accessible for them.Accessibility Testing Tool should be chosen as per requirements of your site and budget.

Suggested reading =>> Top Accessibility Testing Services Companies

In future there may be more accessibility concepts to be taken into consideration as per that more innovative and improved tools are supposed to be introduced. For time being we have gone through some widely used Accessibility Testing Tools along with the brief idea about what does Accessibility exactly mean.

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