10 rules for accessibility every web dev should follow

October 24, 2024

Website accessibility is crucial for reaching everyone. Following the right rules ensures your site is usable for people with disabilities. It’s not just about compliance; it opens doors to a wider audience and boosts engagement. Understanding these rules can improve user experience and enhance your brand's reputation.

This listicle breaks down essential rules for website accessibility that every site owner should know. From color contrast to keyboard navigation, we cover the must-haves to make your site inclusive. Implementing these tips can elevate your online presence and show you care about all users. Ready to dive in? Scroll down for reviews of our top picks that will help you create an accessible website!

1. Provide alt text for images

Images enhance online content by adding visual appeal and context. Alt text, or alternative text, plays a crucial role in making these images accessible to users with visual impairments.

Descriptive alt text must convey the essential information contained in the image. This text should describe the content and function of the image in a straightforward manner. For example, instead of saying "image of a dog," one could write "a golden retriever playing fetch in a park." This approach provides meaningful context without unnecessary wording.

When crafting alt text, focus on the purpose of the image. If an image serves as a link, use descriptive anchor text that clearly indicates where the link leads. For instance, if an image links to a product page, the alt text could be "buy our eco-friendly water bottle."

Avoid vague phrases and ensure that each piece of alt text is relevant to the surrounding content. According to WebAIM, approximately 1 in 4 adults in the U.S. has some form of disability. By implementing effective alt text practices, websites can significantly improve accessibility for this audience.

Incorporating proper alt text not only aids users with disabilities but also enhances overall user experience. Search engines benefit from descriptive alt text, improving SEO by providing context about images within web pages.

2. Ensure keyboard navigation

Design websites to allow users to navigate using only a keyboard. This enhances keyboard accessibility and ensures that all users, including those with disabilities, can interact with the site effectively.

Visible focus indicators play a crucial role in this process. They show which element is currently selected, improving the user experience. Without these indicators, users may struggle to determine where they are on the page, leading to frustration and confusion.

Testing all interactive elements is essential. Confirm that buttons, links, and form fields are accessible via keyboard shortcuts. This includes ensuring that users can tab through the user interface components smoothly. For example, pressing the "Tab" key should move focus from one input field to another without any hiccups.

Consider implementing a toolbar for additional functionality. A well-designed toolbar can offer quick access to important features, enhancing usability for keyboard-only users.

Statistics reveal that approximately 15% of the global population experiences some form of disability. By prioritizing keyboard navigation, websites become more inclusive. This not only meets legal requirements but also expands potential user bases.

Addressing individual usability issues benefits everyone. Streamlined navigation fosters a more enjoyable experience for all users, regardless of their preferred method of interaction.

3. Use semantic HTML

Semantic HTML plays a crucial role in enhancing web content accessibility. This form of markup uses HTML tags that convey meaning, rather than just presentation. For example, using <header>, <footer>, and <article> tags helps screen readers understand the structure of a webpage.

Organizing content with headings (like <h1>, <h2>) improves navigation for users relying on assistive technologies. Properly structured headings create a clear hierarchy, making it easier to scan through the information.

Lists also enhance accessibility. Using ordered (<ol>) and unordered lists (<ul>) allows screen readers to communicate the number of items present, which is essential for understanding the context. For instance, if a list outlines practical web inclusion strategies, screen readers will announce it as a list, improving user experience.

Landmarks are another key feature of semantic HTML. These elements, such as <nav> for navigation and <main> for primary content, help users quickly locate sections within a page. This is particularly beneficial for individuals with cognitive disabilities who may struggle to process large amounts of information.

Incorporating interactive elements like buttons and forms with appropriate roles and states ensures that all users can engage with your website effectively. This approach not only enhances user experience but also aligns with SEO best practices by making your site more indexable.

4. Implement ARIA roles

Implementing ARIA roles significantly enhances accessibility for dynamic web content. These roles provide semantic meaning to elements that may lack inherent descriptions. For example, a custom button created with a <div> tag can be assigned the role of "button" to ensure screen readers recognize it as an interactive element.

Correct usage of ARIA attributes is crucial. Misapplication can lead to confusion among assistive technologies. For instance, using aria-hidden="true" on important content will make it invisible to users relying on screen readers. This can create barriers instead of removing them.

Focusing on the level of accessibility ensures compliance with standards like WCAG (Web Content Accessibility Guidelines). According to research, over 15% of the global population lives with some form of disability. Making websites accessible can improve user experience for everyone, not just those with disabilities.

Consider these key points when implementing ARIA roles:

  • Assign appropriate roles to non-semantic elements.
  • Use ARIA attributes judiciously to enhance or clarify functionality.
  • Regularly test with assistive technologies to ensure effectiveness.

5. Test with screen readers

Testing with screen readers is essential for ensuring web accessibility. Regular evaluations using different screen reader software can help identify issues that may hinder the experience for visually impaired users.

Screen readers convert text on a website into synthesized speech or braille output. This technology allows users with vision impairments to navigate and comprehend content effectively. Popular screen readers include JAWS, NVDA, and VoiceOver. Each has unique features that can impact user experience.

Conducting web accessibility tests involves checking how well your site works with these tools. Make sure all text is readable and properly structured. Use semantic HTML tags to enhance navigation. Ensure images have descriptive alt text so screen readers can recite them accurately.

Gathering feedback from users who rely on screen readers provides invaluable insights. Their experiences reveal specific barriers faced while navigating your website. Implementing their suggestions can significantly improve accessibility.

Statistics show that approximately 285 million people worldwide live with some form of visual impairment. This includes those with partial sight and complete blindness. By prioritizing screen reader testing, you cater to a significant segment of your audience, enhancing their overall experience.

Addressing the needs of varied disabilities users not only meets legal requirements but also fosters inclusivity. A well-tested website benefits all visitors, improving comprehension and engagement across the board.

6. Maintain color contrast

Maintaining color contrast is essential for website accessibility. Adhering to the WCAG guidelines ensures that text and background colors meet minimum contrast ratios. For standard text, a ratio of at least 4.5:1 is recommended. For larger text, a ratio of 3:1 suffices.

Using tools like the WebAIM Color Contrast Checker helps assess whether your color choices provide adequate readability. These tools analyze color combinations and highlight any low color contrast issues. This step is crucial in creating an inclusive online experience.

Certain color combinations pose challenges for individuals with color blindness or other vision impairments. For example, red and green can be particularly problematic. Designers should avoid these combinations to ensure clarity for all users.

Consider these tips when selecting colors:

  • Use high-contrast colors for text and backgrounds.
  • Test your website's color scheme with various accessibility tools.
  • Keep in mind that not all users perceive colors the same way.

Statistics show that around 8% of men and 0.5% of women have some form of color blindness. This demographic represents a significant portion of potential users who may struggle with low color contrast.

7. Enable resizable text

Enabling resizable text significantly enhances website accessibility. Users can adjust font size to meet their personal preferences without compromising content or functionality. This feature supports individuals with visual impairments and those who require larger text for better readability.

Utilizing relative units, such as ems or percentages, is crucial. Fixed sizes restrict user control over how they experience the content. For instance, a font set at 16px remains static regardless of user needs. In contrast, a font defined using ems allows users to resize it according to their settings.

Testing the website's responsiveness is essential. Ensure that resizing the text does not disrupt the layout or cause important information to become hidden. According to WebAIM, nearly 8% of men and 0.5% of women have color vision deficiencies, highlighting the need for flexible design.

Consider this example: A user with low vision visits a site but struggles due to fixed text sizes. By allowing resizable text, the user can increase the size for clarity, improving their overall experience and engagement.

Implementing these adjustments not only meets accessibility standards but also enhances SEO performance. Search engines prioritize user-friendly designs, positively impacting search rankings.

8. Include skip navigation links

Skip navigation links enhance website navigation for users, particularly those using screen readers or keyboard-only interfaces. These links allow users to bypass repetitive menus and directly access the main content of a page.

Positioning skip links at the top of the page is crucial. This placement ensures that users can easily find and use them without scrolling through lengthy navigation bars. When implemented correctly, these links significantly improve user experience by reducing frustration and saving time.

Visibility is another key factor. Skip links should be visible when focused, meaning they become highlighted when navigated to via keyboard. This feature aids users in understanding their location on the page and enhances overall accessibility.

Statistics show that over 15% of the global population lives with some form of disability. For web developers, adhering to accessibility standards not only benefits users but also expands audience reach. Websites that prioritize accessibility can see increased traffic and engagement.

Implementing skip navigation links is a straightforward yet impactful step toward compliance with WCAG (Web Content Accessibility Guidelines). These guidelines emphasize the importance of providing clear pathways for all users to navigate effectively.

Incorporating these features fosters an inclusive online environment and reflects a commitment to accessibility best practices.

9. Make forms accessible

Forms play a critical role in website accessibility. Many users encounter accessibility issues when filling out online forms. Implementing effective practices can significantly enhance user experience.

Label all form fields clearly. This clarity helps users understand what information is required. Use descriptive labels that align with the input fields. For example, instead of just “Name,” specify “Full Name.” This small change improves usability for all users, including those relying on screen readers.

Provide error messages that are descriptive and helpful. Instead of vague messages like “Error,” guide users on how to correct their mistakes. For instance, if an email address is incorrectly formatted, state, “Please enter a valid email address (e.g., user@example.com).” This approach reduces frustration and aids in correcting errors effectively.

Ensure forms can be completed using keyboard navigation alone. Many users depend on this method due to mobility impairments or preference. Implementing tabbing order allows users to move through fields seamlessly without requiring a mouse.

Adhering to these essential accessibility principles not only meets legal requirements but also enhances overall user satisfaction. According to the Web Content Accessibility Guidelines (WCAG), accessible forms can significantly reduce the likelihood of abandonment during the submission process, improving conversion rates.

Prioritize these practical accessibility tips to create a more inclusive online environment.

10. Just don't overdo things

Avoid excessive animations or auto-playing media. These elements can distract users and lead to frustration. Simplicity in design enhances user experience. A clean layout allows people to navigate your website easily.

Keep design elements intuitive. Users should not struggle to find information. When designing, consider the context in which users engage with your content. Make sure that essential elements are clear and accessible.

Limit jargon and complex language. Use straightforward words that everyone can understand. This practice ensures clarity across diverse audiences, including those with varying levels of literacy and technical skills.

Incorporate breaks in content to enhance readability. Large blocks of text can overwhelm users. Utilize bullet points or numbered lists for key information, making it easier to digest.

Best practices include testing your website on different devices. Each device may present unique challenges in accessibility. Regularly seek feedback from real users to identify potential issues.

Remember that accessibility is about inclusivity. Everyone deserves a positive experience on the internet, regardless of their abilities or the devices they use.