Screen Readers Are Only Half the Fix: Make Your Site Work

Imagine you're a web developer at a mid-sized nonprofit. Your boss just got an email from a user saying your donation page is impossible to use with a screen reader. You've never touched a screen reader. You install NVDA, tab around, and immediately feel lost. The voice is robotic, the navigation is a maze, and you have no idea where to start. You're not alone.

Here's the blunt truth: 85.9% of screen reader users say that better websites, not better assistive technology, would have the biggest impact on improving web accessibility (WebAIM Screen Reader User Survey). So stop fixating on which screen reader to test with. The real problem is your code. And the fix is simpler than you think.

Why You're Testing the Wrong Thing

When teams finally get serious about accessibility, they often ask, "Which screen reader should we support?" The answer: all of them, and none of them. Screen readers are just tools. The WebAIM 2024 survey shows users are split—JAWS holds 40.5% of primary desktop use, NVDA 37.7%, and VoiceOver dominates mobile at 70.6% (WebAIM). But 71.6% of users use more than one screen reader. So no single tool is "the" one.

What actually matters is whether your site meets the Web Content Accessibility Guidelines (WCAG). The WebAIM Million analysis of one million home pages found a staggering 95.9% have detectable WCAG 2 failures, averaging 56.1 errors per page. That's not a screen reader problem. That's a code problem.

The Six Fixes That Cover 96% of All Errors

Here's the field report. The WebAIM Million data is clear: six categories of errors account for 96% of all detected errors on home pages. Fix these and you've eliminated the vast majority of what screen reader users will stumble over.

• Low contrast text – 83.9% of pages fail.
• Missing alt text – 53.1% of images lack it.
• Unlabeled form inputs – 51% of pages have them.
• Empty links – 46.3%.
• Empty buttons – 30.6%.
• Missing document language – 13.5%.

Let's be specific. On an average home page, there are 10.8 images missing alt text, and 45% of those are linked images. That means a screen reader user hears "link, link, link" with no destination. And one-third of the 6.9 form inputs on the average page aren't labeled. That's like walking into a bank and being handed a form with blank boxes.

NVDA Is the Right Tool, But Not for the Reason You Think

Now, about testing. You don't need a $1,095 JAWS license to start. NVDA is free, open source, and translated into over 55 languages, used in more than 175 countries (NV Access). It's the most commonly used screen reader among WebAIM respondents at 65.6%. So download NVDA and use it as your sanity check.

But here's the nuance: NVDA is a tool for validation, not a magic wand. It won't tell you why your site is broken—it just exposes the cracks. The real fix is in your markup. For example, proper heading structure is crucial: 71.6% of screen reader users navigate long pages by headings first (WebAIM). If your headings are divs with font-size, you've failed.

The Comparison: Which Screen Reader Should You Test With?

Don't get lost in the details. The table above is your cheat sheet. Test with NVDA on desktop and VoiceOver on mobile. That covers the vast majority of users. And remember: 38% of users also use braille output, but that's a nice-to-have, not a first fix.

Your Action Plan: Stop Talking, Start Fixing

Here's your to-do list for this week. First, run an automated scan like WAVE or axe. The WebAIM Million data shows that government sites average 42.4 errors per page, which is 24.4% below the overall average—so they're not perfect, but they're better. Aim to beat that. Second, fix the six categories in order: contrast, alt text, labels, links, buttons, language. Third, test with NVDA and VoiceOver.

Don't get overwhelmed by the 86 success criteria in WCAG 2.2 (W3C). Start with Level A and AA. The reality is that most errors are simple to fix. And the payoff is huge: 1 in 4 U.S. adults has a disability, and the global assistive tech market is projected to reach $82 billion by 2030 (WHO). But more importantly, you're not just avoiding lawsuits—you're opening your digital doors to millions of people.

The Takeaway

Stop treating screen readers like mysterious black boxes. They're just the voice your code gets read with. The real work is in your HTML, CSS, and ARIA. Fix the six common errors, test with free tools like NVDA, and your site will be usable by more people than you ever thought possible. The tools are there. The excuse isn't.

Sources

• World Health Organization - https://www.who.int/news-room/fact-sheets/detail/assistive-technology
• WebAIM Screen Reader User Survey - https://webaim.org/projects/screenreadersurvey10/
• WebAIM Million - https://webaim.org/projects/million/
• NV Access - https://www.nvaccess.org/about-nv-access/
• W3C Web Accessibility Initiative - https://www.w3.org/WAI/standards-guidelines/wcag/
• ADA.gov - https://www.ada.gov/resources/web-guidance/