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Does Accessibility Affect SEO?

woman in wheelchair working on laptop

Have you ever wondered if making your website more accessible could boost your search engine rankings? It’s a question we often hear from our clients, and the answer might surprise you. Let’s take a closer look.

What is Website Accessibility?

Before we get into the specifics, let’s clarify what we mean by website accessibility. In essence, it’s about designing and developing websites that can be used by everyone, including people with disabilities. This could include visual impairments, hearing difficulties, motor limitations, or cognitive challenges. But here’s the thing – accessibility isn’t just about catering to a specific group, but about creating a better user experience for everyone.

Speaking of user experience, did you know that properly SEO optimised website images can significantly improve both accessibility and SEO? It’s a win-win situation that many website owners overlook.

User-Friendly Navigation

So, you might be wondering, “How do I know if my website is accessible?” Well, there are established guidelines to help with that. The Web Content Accessibility Guidelines (WCAG) are the most widely recognised standards; they provide a set of recommendations for making web content more accessible, categorised into three levels: A, AA, and AAA.

The Relationship Between Accessibility and SEO

Now, let’s address the elephant in the room – does accessibility really affect SEO? The short answer is yes, but perhaps not in the way you might think. While Google doesn’t directly use accessibility as a ranking factor, many accessibility practices align perfectly with SEO best practices. Let’s break it down:

Accessibility Factors Impacting SEO

Several accessibility factors can have a positive impact on your SEO efforts. These include proper heading structure, descriptive alt text for images, and clear, logical navigation. Sound familiar? These are all elements that search engines love to see.

Search Engine Algorithm Considerations

Search engines are becoming increasingly sophisticated in understanding user experience. Google, for instance, now considers page experience signals in its ranking algorithm. Many of these signals, such as mobile-friendliness and page load speed, overlap with accessibility concerns.

Benefits of Accessibility for SEO

As professional SEO specialists in Bath, we know just how many benefits there are to boosting your site’s accessibility:

Enhanced User Experience

Accessible websites are typically easier to navigate and understand. This leads to longer visit durations and lower bounce rates – both positive signals for search engines.

Improved Website Performance

Many accessibility improvements, like optimising images and streamlining code, can also speed up your website. And as we know, site speed is still a key ranking factor.

Expanded Audience Reach

By making your website accessible, you’re potentially increasing your audience; more visitors mean more engagement, which search engines interpret as a sign of quality content.

Positive User Signals

Accessible websites often lead to better user metrics like time on site, pages per session, and return visits, and these are all signals that search engines use to gauge the quality of a website.

Common Accessibility Issues and Their SEO Impact

senior couple looking at a laptop screen with disappointed look on their face

Now, let’s look at some common accessibility issues and how they can affect your SEO:

Lack of Alt Text for Images

Alt text is key for visually impaired users who rely on screen readers, and it’s also how search engines understand the content of images. Without it, you’re missing out on valuable SEO opportunities.

Inaccessible Navigation Menus

If your navigation is difficult to use or understand, it’s a problem for both users and search engine crawlers. Clear, logical navigation is key for both accessibility and SEO.

Poor Colour Contrast and Readability

Low contrast text can be difficult to read, especially for users with visual impairments. It can also lead to higher bounce rates, which isn’t great for SEO.

Non-Descriptive Link Text

Using “click here” or “read more” as link text doesn’t tell users or search engines what to expect. Descriptive link text improves accessibility and provides valuable context for SEO.

Strategies for Improving Accessibility and SEO

Ready to make your website more accessible and SEO-friendly? Here are some strategies to consider:

Alt Text Optimisation

Provide descriptive, keyword-rich alt text for all images. This helps both visually impaired users and search engines understand your content.

Responsive Web Design

Ensure your website works well on all devices. Mobile-friendliness is crucial for both accessibility and SEO.

Implement Semantic HTML Markup

Use HTML tags correctly to provide structure and meaning to your content. This helps both assistive technologies and search engines understand your site.

Prioritise Mobile Accessibility

With mobile-first indexing, ensuring your site is accessible on mobile devices is more important than ever.

Regular Accessibility Audits and Testing

Regularly check your website for accessibility issues. Many of the tools used for accessibility testing can also uncover SEO issues.

Final Thoughts

As we’ve seen, accessibility and SEO go hand in hand. By focusing on making your website more accessible, you’re not only doing the right thing ethically, but you’re also likely to see improvements in your search engine rankings.

It’s worth noting, however, that implementing accessibility best practices isn’t just about ticking boxes – it’s about creating a better user experience for everyone. And in the end, that’s what search engines are looking for too.

Article by:

Joshua George is the founder of ClickSlice, an SEO Agency based in London, UK.

He has eight years of experience as an SEO Consultant and was recently hired by the UK government for SEO training. Joshua also owns the best-selling SEO course on Udemy, and has taught SEO to over 100,000 students.

His work has been featured in Forbes, Entrepreneur, AgencyAnalytics, Wix and lots more other reputable publications.