Web
June 15, 2023

How to test web accessibility

‍Ensuring that your website is accessible to all users, including those with disabilities, is not only a legal requirement but also the right thing to do. In this step-by-step guide, we will explore the importance of web accessibility and provide practical advice on testing it.

Understanding Web Accessibility

What is Web Accessibility?

Web accessibility refers to designing and developing websites that people with various disabilities and impairments can use. These include visual, auditory, physical, speech, cognitive, and neurological impairments.

Web accessibility is not only about designing websites compatible with assistive technologies such as screen readers but also about creating a user-friendly interface that is easy to navigate and understand.

For example, a website accessible to people with visual impairments should have a high-contrast color scheme, clear and concise text, and alternative image descriptions.

Similarly, a website that is accessible to people with cognitive impairments should have simple and consistent navigation, easy-to-understand language, and clear instructions.

Why is Web Accessibility Important?

Web accessibility is vital because it ensures that your website is inclusive and accessible to everyone, regardless of disability. By making your website accessible, you broaden your audience, improve the user experience, and comply with legal obligations.

Furthermore, web accessibility is important not only for people with disabilities, but also for people with temporary or situational impairments such as a broken arm, a noisy environment, or a slow internet connection.

By designing websites that are accessible and user-friendly, you create a positive user experience for all visitors, which can lead to increased engagement, loyalty, and conversions.

Moreover, web accessibility is legally required in many countries, including the United States, Canada, and the European Union. Failure to comply with accessibility standards can result in legal action, fines, and damage to your reputation.

Therefore, it is crucial to make web accessibility a priority when designing and developing websites and to ensure that your website meets the relevant accessibility standards and guidelines.

Web Accessibility Guidelines and Standards

Web accessibility makes websites and digital content accessible to everyone, including people with disabilities. Accessibility is essential for creating an inclusive online environment that allows everyone to access and use digital content, regardless of their abilities.

Web Content Accessibility Guidelines (WCAG)

WCAG is a set of guidelines developed by the World Wide Web Consortium (W3C) that provides a standard for creating accessible websites. These guidelines cover recommendations for making content perceivable, operable, understandable, and robust. WCAG has three levels of conformance: A, AA, and AAA. Conformance to these guidelines ensures that your website is accessible to people with disabilities.

Perceivable guidelines ensure that content is presented in a way that can be perceived by all users, including those with visual or hearing impairments. Operable guidelines allow users to interact with the website using a keyboard or other assistive technology. Understandable guidelines ensure that content is presented in a way that is easy to understand, and robust guidelines provide that a wide range of assistive technologies can interpret content.

ADA Compliance

The Americans with Disabilities Act (ADA) requires websites to be accessible to people with disabilities. This includes websites for businesses, non-profits, and government agencies. Non-compliance with this law can result in costly lawsuits, so ensuring your website adheres to ADA compliance standards is vital. The Department of Justice has provided guidelines for ADA compliance, including alternative text for images, video captions, and accessible forms.

Section 508 Standards

Section 508 of the Rehabilitation Act requires federal agencies and their contractors to make their Electronic and Information Technology (EIT) accessible to people with disabilities. This law outlines specific accessibility requirements for websites that federal agencies and their contractors must meet. The Section 508 standards include guidelines for text alternatives, captions, audio descriptions, and keyboard accessibility. Adhering to these standards ensures that people with disabilities can access and use the digital content provided by federal agencies and their contractors.

In conclusion, web accessibility guidelines and standards are essential for creating an inclusive online environment that allows everyone to access and use digital content. WCAG, ADA compliance, and Section 508 standards provide a framework for building accessible websites that people with disabilities can access. Adhering to these guidelines ensures that your website is accessible to everyone, regardless of their abilities.

Preparing for Web Accessibility Testing

Web accessibility testing is crucial in ensuring that your website is accessible to all users, including those with disabilities. It involves testing your website's design and functionality to meet accessibility standards and guidelines. Here are some additional steps you can take to prepare for web accessibility testing:

Assembling Your Testing Team

Before you begin testing, it's essential to assemble a team with expertise in web design, development, and accessibility. This team will work together to ensure the website is compliant with accessibility standards. The team should include individuals with disabilities who can provide valuable feedback on the website's accessibility. It's also essential to ensure that the team members have the necessary tools and resources to conduct the testing effectively.

Moreover, the team should be aware of the different types of disabilities and impairments that users may have. They should deeply understand how users with disabilities interact with websites and the challenges they may face. This knowledge will help the team identify potential accessibility issues and develop practical solutions.

Identifying Key User Scenarios

It's essential to identify the user scenarios that need to be tested. These scenarios should cover a range of disabilities and impairments, including visual, auditory, physical, speech, cognitive, and neurological impairments. The team should also consider the different types of assistive technologies that users with disabilities may use, such as screen readers, magnifiers, and alternative input devices.

By identifying critical user scenarios, the team can ensure that the website is accessible to a wide range of users with disabilities. The team should also consider the different types of content on the website, such as images, videos, and audio files. They should ensure that these elements are accessible to users with disabilities, such as providing alt text for images and video captions.

Setting Up Testing Tools and Environments

There is a range of accessibility testing tools available that can help you identify accessibility issues on your website. Selecting the right tools and setting up the testing environments is essential to ensure accurate results. The team should also ensure that the testing environments simulate the different types of disabilities and assistive technologies users use.

Moreover, the team should test the website on different devices and browsers, as users may access the website using various devices and software. They should also consider the website's performance and load times, as slow loading times can be a significant barrier for users with disabilities.

In conclusion, preparing for web accessibility testing requires a comprehensive approach that involves assembling a diverse team, identifying critical user scenarios, and setting up testing tools and environments. By taking these steps, you can ensure that your website is accessible to all users, regardless of their disabilities or impairments.

Manual Web Accessibility Testing

Web accessibility testing ensures that your website is accessible to all users, including those with disabilities. Manual testing is essential to the process, allowing you to test your website's accessibility features in real-world scenarios. Here are some key areas to focus on when performing manual web accessibility testing:

Keyboard Navigation Testing

Keyboard navigation is essential for users who have difficulty using a mouse. Testing keyboard navigation ensures that users can navigate your website using only their keyboard effectively. When testing keyboard navigation, it's important to ensure that all interactive elements on your website can be accessed and used via the keyboard. This includes links, buttons, and form fields.

Additionally, ensuring that the order in which interactive elements are accessed via the keyboard makes sense is essential. Users should be able to navigate through your website in a logical and intuitive manner using only their keyboard.

Visual Design and Color Contrast Testing

Testing color contrast and visual design ensures that your website is accessible to visually impaired users. It's essential to use colors that provide enough contrast for users with color blindness or low vision. When testing color contrast, it's important to ensure that text is easily readable against its background. This can be achieved by using colors with a high level of contrast or by using alternative design elements such as borders or shading to differentiate between text and background.

In addition to color contrast, it's important to ensure that your website's visual design is accessible. This includes ensuring that text is large enough to be easily read, sufficient spacing between elements, and no distracting or flashing elements that could cause seizures or other issues for users with visual sensitivities.

Text Alternatives for Non-Text Content

Testing text alternatives for non-text content, such as images and videos, is essential for users with visual impairments. It's vital to provide accurate and descriptive text alternatives to ensure all users can understand the content on your website. When testing text alternatives, it's important to ensure that the alternative text provides a clear and concise description of the non-text content. This can include information about the content's purpose, content, and relevant context.

In addition to providing text alternatives, it's important to ensure that captions or transcripts accompany any audio or video content on your website. This ensures that users who are deaf or hard of hearing can access the content, and that users who prefer to read rather than listen can do so.

Testing Forms and Input Fields

Forms and input fields must be accessible to users with disabilities, including screen readers and other assistive technology. Testing these features ensures all users can complete forms and interact with your website effectively. It's important to ensure that all form elements are labeled clearly and descriptively when testing forms and input fields. This includes labels for text input fields, checkboxes, and radio buttons.

In addition to labeling, it's important to ensure that form validation messages are clear and concise. This helps users understand what they must do to complete the form successfully. Finally, it's important to ensure that error messages are presented in a clear and accessible manner so that users can understand what went wrong and how to correct it.

Automated Web Accessibility Testing

Web accessibility testing is an essential part of website development. It ensures your website is accessible to everyone, including people with disabilities. Automated web accessibility testing is a great way to identify accessibility issues quickly and efficiently. It's a process that involves using software tools to scan your website for accessibility issues.

Selecting the Right Automated Testing Tools

There is a range of automated testing tools available to help you identify accessibility issues on your website. These tools can scan your website and report any accessibility issues that must be addressed. It's essential to select the right tools that are specific to your website and business needs.

Some popular automated testing tools include:

  • Accessibility Insights: This tool is a browser extension and can scan your website for accessibility issues.
  • WAVE: This tool is a browser extension and can scan your website for accessibility issues.
  • Axe: This tool is a browser extension and can scan your website for accessibility issues.
  • Tenon: This tool is a paid service that can scan your website for accessibility issues.

Running Automated Tests and Analyzing Results

After setting up automated testing tools, running tests and analyzing the results is essential. This process can help identify accessibility issues on your website quickly. The automated testing tools will scan your website and provide a report of any accessibility issues that need to be addressed.

It's important to analyze the results of the automated tests carefully. Some issues may be false positives, while others may be legitimate accessibility issues that must be addressed. It's essential to prioritize the issues and address the most critical issues first.

Integrating Automated Testing into Your Development Process

Integrating automated testing into your web development process ensures that accessibility concerns are addressed early in the development lifecycle. This can save time and reduce the need for expensive fixes later. It's crucial to include automated testing as part of your development process and to run tests to ensure your website is accessible regularly.

Automated testing can be integrated into your development process in several ways, including:

  • Running automated tests as part of your continuous integration process
  • Running automated tests before deploying changes to your website
  • Running automated tests as part of your quality assurance process

By integrating automated testing into your development process, you can ensure that your website is accessible to everyone, including people with disabilities.

Inclusive Design and User Testing

Recruiting Participants with Disabilities

Recruiting participants with disabilities for user testing is an essential step towards creating an inclusive website. It ensures that your website is accessible to a diverse range of users, including those who may face challenges when accessing digital content. By involving users with disabilities throughout the development process, you can gain valuable insights into their needs and preferences, and make informed decisions about the design and functionality of your website.

When recruiting participants with disabilities, it's important to be mindful of the barriers they may face when accessing information about your user testing program. For example, some users may require assistive technology or alternative formats to access information about your program. To ensure that your recruitment process is accessible to everyone, consider offering multiple ways for users to learn about and sign up for your user testing sessions.

Conducting User Testing Sessions

User testing sessions provide invaluable feedback on the accessibility and usability of your website. By observing users as they interact with your website, you can identify areas that may be difficult to navigate or understand. It's essential to conduct user testing sessions with various users with disabilities to ensure your website is accessible to everyone.

During user testing sessions, creating a comfortable and supportive environment for participants is important. This may involve providing assistive technology, offering breaks as needed, or allowing participants to bring a support person with them. Creating a welcoming atmosphere can help participants feel at ease and encourage them to provide honest and constructive feedback.

Analyzing User Feedback and Making Improvements

After conducting user testing sessions, analyzing user feedback and improving your website is essential. This process ensures your website is user-friendly and accessible to people with disabilities. When analyzing user feedback, it's important to consider the qualitative and quantitative data you collected.

Qualitative data can provide insights into the user experience, including users' thoughts, feelings, and opinions about your website. This type of data can be collected through interviews, surveys, or observation notes. Quantitative data, however, provide numerical data about the user experience, such as the time it takes to complete a task or the number of errors encountered. By combining qualitative and quantitative data, you can comprehensively understand the user experience and make informed decisions about improving your website.

In conclusion, inclusive design and user testing are critical components of creating an accessible and user-friendly website. By recruiting participants with disabilities, conducting user testing sessions, and analyzing user feedback, you can ensure that your website meets the needs of all users, regardless of their abilities or disabilities.

Maintaining Web Accessibility

Web accessibility ensures that people with disabilities can access and use your website. It's not just about complying with legal requirements; it's about creating an inclusive online environment that everyone can use and enjoy. Here are some tips for maintaining web accessibility:

Regularly Reviewing and Updating Your Website

Regularly reviewing and updating your website is essential for keeping it accessible. As your website evolves, it's crucial to ensure that any changes you make do not introduce new accessibility issues. This means testing your website regularly with assistive technologies such as screen readers, keyboard-only navigation, and voice recognition software. It also means checking that your website meets the latest accessibility standards, such as the Web Content Accessibility Guidelines (WCAG).

Updating your website can also provide an opportunity to improve its accessibility. For example, you could add alternative text to images that didn't have it before, or you could enhance the color contrast between text and background to make it easier to read for people with low vision.

Training Your Team on Web Accessibility Best Practices

Training your team on web accessibility and best practices is crucial for ensuring that everyone involved in website development understands the importance of accessibility and how to achieve it. This includes web developers, designers, content creators, and anyone else creating or maintaining your website.

Training can cover a range of topics, such as how to create accessible content, how to use accessible design principles, and how to test for accessibility. It's also essential to ensure that your team understands the needs of people with disabilities and the barriers they face when using the web.

Staying Informed on Accessibility Updates and Trends

Staying informed on accessibility updates and trends is essential for maintaining web accessibility. The web accessibility landscape constantly evolves, with new standards, laws, and technologies emerging. By staying up-to-date with the latest news and trends, you can ensure that your website meets the latest accessibility standards and provides the best user experience for users with disabilities.

Many resources help you stay informed on accessibility updates and trends. These include blogs, newsletters, webinars, and conferences. You can also join online communities and forums to connect with other accessibility professionals and share knowledge and best practices.

In conclusion, maintaining web accessibility is an ongoing process that requires regular review and updates, training your team on best practices, and staying informed on the latest accessibility updates and trends. By following these tips, you can create a website accessible to everyone, regardless of their abilities.