ACCESSIBILITY
BEST
PRACTICES
Practical guidance for designers and developers building inclusive digital experiences
Accessibility is often discussed in terms of standards, checklists, and compliance requirements. While those frameworks are important, accessible digital experiences are ultimately created through everyday design and development decisions. Accessibility best practices provide practical guidance that helps teams build products that work for a broader range of people.
People access digital content in many different ways. Some users rely on screen readers that convert text into speech. Others navigate entirely with a keyboard instead of a mouse. Many people use screen magnification, voice input, captions, or alternative input devices. Accessible design ensures that websites, applications, and digital tools remain usable across these different interaction methods.
By applying accessibility best practices early in the design and development process, organizations can create more usable interfaces, reduce the need for costly remediation later, and support alignment with accessibility standards such as WCAG.
Foundations of Accessible Design
Building accessibility through clear structure
A well structured interface is the foundation of accessible design. Structure helps users understand how information is organized and allows assistive technologies to interpret content correctly.
Headings, landmarks, and semantic HTML elements create a logical hierarchy that users can navigate efficiently. Screen reader users often move through a page by jumping between headings or sections rather than reading everything line by line. If a page lacks meaningful structure, it becomes difficult to understand and navigate.
Clear structure also benefits users who scan content visually. Consistent headings, grouped information, and predictable layout patterns make pages easier to read and understand for everyone.
Designers and developers should ensure that heading levels follow a logical order, that page titles clearly describe the content, and that related information is grouped into meaningful sections.
Designing for color, contrast, and visual clarity
Visual design plays a significant role in accessibility. Many users have low vision, color perception differences, or reduced contrast sensitivity. If content relies on subtle color differences or insufficient contrast, users may struggle to read or interact with it.
Accessible interfaces provide sufficient contrast between text and its background so that information remains readable under different lighting conditions and display settings. Color should also never be the only method used to communicate meaning. For example, error states, required form fields, or status indicators should include additional cues such as icons, text labels, or patterns.
Design systems that prioritize visual clarity often benefit all users. Strong contrast, clearly defined interactive elements, and consistent visual states improve usability across a wide range of environments and devices.
Accessible Interaction and Navigation
Supporting keyboard navigation
Not all users interact with digital interfaces using a mouse or touch input. Many people navigate entirely with a keyboard. This includes screen reader users, individuals with motor disabilities, and users who rely on assistive technologies that emulate keyboard input.
Accessible websites allow users to move through all interactive elements using keyboard commands. Links, buttons, menus, forms, and other controls must be reachable through logical tab order and must remain fully operable without requiring a mouse.
Visible focus indicators are also critical. When users move through a page using the keyboard, the interface should clearly highlight the currently focused element. Without this visual feedback, users may lose track of their location within the interface.
Keyboard accessibility is one of the most fundamental requirements for inclusive digital design and should always be verified during development and testing.
Creating clear labels and instructions
Interfaces become significantly more usable when labels and instructions are clear and descriptive. Form fields, buttons, links, and interactive controls should communicate their purpose without requiring guesswork.
Each form input should have a persistent label that describes the expected information. Placeholder text alone should not serve as a label because it often disappears once users begin typing and may not be properly announced by assistive technologies.
Buttons and links should use descriptive text that clearly communicates the action being performed. Labels such as “Submit” or “Continue” may not provide enough context in complex workflows. More specific language helps users understand what will happen next.
Clear labeling benefits not only users with disabilities but also anyone interacting with a system for the first time.
Designing accessible interactive components
Modern interfaces often include complex interactions such as dropdown menus, modals, accordions, sliders, and dynamic content updates. These components must remain accessible across different input methods and assistive technologies.
Accessible interactive elements manage focus correctly when they open or close, provide clear keyboard interaction patterns, and communicate state changes programmatically so that screen readers can interpret them.
Consistency is also important. When interactive elements behave predictably across different pages or features, users can learn the interface more quickly and navigate it with confidence.
Accessible Content and Media
Writing accessible content
Accessibility extends beyond design and development into the way content is written and structured. Content that is clear, concise, and well organized helps users process information more easily.
Long blocks of text can be difficult to follow, particularly for users with cognitive disabilities or those navigating with screen readers. Breaking information into smaller sections, using meaningful headings, and maintaining consistent language can significantly improve readability.
Links should also be written with descriptive text that communicates their destination or purpose. Generic phrases such as “read more” or “learn more” may be ambiguous when encountered out of context. Clear link descriptions allow users to understand where the link leads before activating it.
Effective content design ensures that users can understand and navigate information regardless of how they access the page.
Providing alternatives for images and media
Images, graphics, and multimedia content must remain accessible to users who cannot perceive visual or audio information. Text alternatives provide an equivalent way to understand the content being presented.
Alt text allows screen readers to describe images to users who cannot see them. Informative images should include concise descriptions that communicate the meaning or function of the image. Decorative visuals that do not add meaningful information should be marked so assistive technologies can ignore them.
Video and audio content should include captions or transcripts so that users who are deaf or hard of hearing can access the information being conveyed. Providing accessible media alternatives ensures that everyone receives the same core content.
Accessible Development Practices
Using semantic HTML and accessible components
The foundation of accessible web development lies in semantic HTML. Native HTML elements such as buttons, links, headings, lists, and form controls already include accessibility behaviors that browsers and assistive technologies understand.
When developers rely on these native elements, much of the accessibility structure is built into the interface by default. Problems often arise when interactive components are recreated using generic elements that lack the proper semantics.
Using correct HTML elements for their intended purpose improves compatibility across browsers, devices, and assistive technologies. It also reduces the need for additional accessibility fixes later in the development process.
Understanding when to use ARIA
Accessible Rich Internet Applications attributes, commonly known as ARIA, can help improve accessibility for complex or custom components. However, ARIA should be used carefully.
ARIA is most effective when it fills gaps that cannot be addressed through semantic HTML alone. For example, dynamic interface elements such as custom menus or tab panels may require ARIA roles and states to communicate changes to assistive technologies.
Improper use of ARIA can create confusion or introduce accessibility barriers. Developers should follow the principle that native HTML is preferred whenever possible, and ARIA should only be added when necessary.
Testing and Continuous Improvement
Improving form accessibility and error handling
Forms are often where users complete important tasks such as creating accounts, making purchases, or submitting applications. Accessibility issues within forms can quickly prevent users from completing these tasks.
Accessible forms clearly label all inputs, provide instructions when needed, and present error messages that explain how problems can be resolved. Error messages should be specific and easy to locate, and users should not lose previously entered information when validation errors occur.
Designing forms with accessibility in mind improves both usability and completion rates by reducing frustration and confusion.
Considering responsive and zoom friendly layouts
Accessibility also includes how content behaves across different screen sizes and display settings. Many users increase text size, zoom into pages, or access websites on mobile devices with varying resolutions.
Responsive layouts should allow content to reflow naturally without breaking functionality or hiding important information. Interfaces should remain usable at higher zoom levels and maintain adequate spacing between interactive elements for touch interaction.
Testing designs across multiple devices and zoom settings helps ensure that the interface remains accessible under different conditions.
The role of testing in accessibility
Automated accessibility testing tools are helpful for identifying certain types of issues quickly. However, automated tools can only detect a portion of potential accessibility problems.
Manual testing plays a critical role in evaluating real user experiences. Keyboard navigation testing, screen reader testing, and reviewing common user workflows help uncover issues that automated tools may miss.
Including people who use assistive technologies in testing can provide valuable insight into how real users interact with a product. This feedback often reveals usability challenges that are not immediately obvious during development.
Accessibility as an Ongoing Practice
Accessibility is not a one time task that can be completed and forgotten. Websites and digital products evolve, content changes, and new features are added over time. Maintaining accessibility requires continuous attention and improvement.
By applying accessibility best practices consistently, organizations can create digital experiences that are more usable, more inclusive, and better aligned with both compliance expectations and real user needs.
At RIV, accessibility is approached as a practical discipline that combines thoughtful design, careful development, and real user testing. When accessibility becomes part of everyday workflows, digital experiences become stronger for everyone.