Creating an accessible website ensures that everyone, including people with disabilities, can easily use and navigate your site. Accessibility isn’t just a nice-to-have feature—it’s essential for inclusive design and can even enhance your website’s overall user experience. This guide will walk you through the basics of developing an accessible website.
Web accessibility refers to designing and developing websites that can be used by people with different abilities, including those with visual, auditory, motor, and cognitive impairments.
According to statistics, around 10–20% of the world's population has a disability. Accessibility ensures that people with disabilities can effectively interact with your website.
Legal compliance, such as adhering to the Americans with Disabilities Act (ADA) or Web Content Accessibility Guidelines (WCAG), is a crucial aspect of web accessibility.
However, it’s not just about compliance or avoiding legal issues—it’s about creating a welcoming online space. Additionally, accessible websites often rank better on search engines and provide a better user experience for everyone.
To make your website accessible, focus on these four core principles:
Ensure that all users can perceive the information on your site. This includes providing text alternatives for images, captions for videos, sufficient color contrast, and readable fonts.
Make your website easy to navigate. This includes keyboard accessibility, clear menus, and avoiding content that could cause seizures (such as flashing animations).
Your content should be easy to understand. Use simple language, consistent navigation, and clear instructions for forms.
Your website should function well across different devices, browsers, and assistive technologies like screen readers.
Make sure all interactive elements can be accessed with the keyboard.
Test your website by navigating it using only your keyboard. Keys like Tab, Enter, Spacebar, Arrow Keys, and Esc can be used to navigate a website.
Alt text describes images for people who can’t see them, ensuring accessibility for users with visual impairments.
For example, instead of leaving an image blank or providing vague alt text, write something meaningful like, “A group of boys playing cricket.”
It helps screen readers convey the content of images to visually impaired users.
Avoid using vague or generic phrases like “Learn More” for links. Instead, use descriptive text that clearly explains the link’s purpose, such as “Learn More about Arbisoft.”
Use the aria-label attribute to further describe links for assistive technologies if necessary.
Descriptive link text helps screen reader users understand the link context and destination.
Videos should have captions so that users who are deaf or have some form of hearing loss can easily perceive the information.
Transcripts are also helpful for users who prefer to read or can’t watch the video.
Ensure there’s enough contrast between text and background colors so that the content is easy to read.
Maintain a contrast ratio of 4.5:1 for normal text, 3:1 for large text, and 3:1 for non-text elements against the background.
Do not rely solely on color to communicate information, such as highlighting error fields with red only, as users with color blindness may have difficulty perceiving the information. Use additional cues like text labels to ensure clarity.
Make sure all form fields have clear, descriptive visual labels. For example, use “Date of Birth (DD/MM/YYYY)” instead of “Date.”
Programmatically associate labels with their corresponding input fields for compatibility with assistive technologies.
Provide clear instructions, error messages, and suggestions to correct errors.
<form>
<label for="full-name">Full Name:</label>
<input type="text" id="full-name" name="full-name" placeholder="Full Name">
<label for="dob">Date of Birth:</label>
<input type="date" id="dob" name="dob">
<label for="address">Street Address:</label>
<input type="text" id="address" name="address" placeholder="Street Address">
<label for="city">City:</label>
<input type="text" id="city" name="city" placeholder="City">
<label for="zip">Zip Code:</label>
<input type="text" id="zip" name="zip" placeholder="Zip Code">
<button type="submit">Submit</button>
</form>
Semantic HTML improves accessibility by making content more understandable to assistive technologies.
Use <header>, <nav>, <main>, <section>, <table>, <h1-6>, <p>, <footer>, <form>, <a>, <button> instead of <div> and <span> where appropriate.
Make sure that the design is responsive.
Allow users to zoom in up to 400% without loss of information or functionality.
Ensure interactive elements are at least 24x24 px or have adequate spacing for easy tapping/clicking.
Use free tools like WAVE or Arc Toolkit to check for accessibility issues.
Test your website using screen readers such as Mac’s VoiceOver or NVDA for Windows.
Reach out to Arbisoft’s Accessibility Team for assistance.
Building an accessible website is an ongoing commitment. As you add new content or features, make sure to keep accessibility in mind. Regularly test your site using tools like screen readers, contrast checkers, and keyboard navigation. Stay updated on accessibility best practices.
Accessibility is an important aspect of web development and should be prioritized throughout the development process. By following these beginner-friendly steps, you’re not only making your website accessible but also improving the overall experience for all users.
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