To improve screen reader compatibility, use semantic HTML (headings, landmarks, buttons, links), add alt text to images, label all form fields, set lang on the html element, ensure a logical heading order (one h1, no skipped levels), and test with NVDA or VoiceOver. Fix issues found and re-scan.
Screen readers convert your page structure into speech. Div soup, missing headings, unlabeled controls, and dynamic updates without announcements make sites confusing or unusable. Semantic HTML fixes most issues without ARIA complexity.
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Business impact
Millions of blind and low-vision people use screen readers daily. A site that works with them works better for everyone — and meets legal accessibility expectations. Most fixes overlap with SEO and AI-parseable structure.
Why this happens
Screen readers use the accessibility tree built from semantic HTML and ARIA. Problems: div used for everything; heading levels skipped (h1 to h4); no main/nav landmarks; icon buttons without accessible names; dynamic content without aria-live; modals without focus management. Prefer native elements; add ARIA only when HTML is insufficient.
How to confirm the issue
Manually: enable VoiceOver (Mac) or NVDA (Windows) and navigate your homepage and checkout/contact flow.
With Plexa Trust: combine alt text, label, language, and keyboard findings; re-scan after structural fixes.
Step-by-step fix
Add
lang="en"(or correct language) on<html>.Use one
<h1>per page and logical heading hierarchy.Wrap content in landmarks:
<main>,<nav>,<header>,<footer>.Fix alt text, form labels, and button accessible names.
Announce dynamic updates with
aria-live="polite"regions.Test with NVDA or VoiceOver; re-scan.
Platform-specific fixes
WordPress
Use a theme with proper landmark roles and heading structure.
Avoid page builders that output div-only markup for buttons.
Set site language in Settings → General (feeds lang attribute).
React / SPAs
Use react-aria or Radix primitives for accessible components.
Update document title and announce route changes with aria-live.
Server-render critical content so it exists in initial HTML.
All platforms
Run axe DevTools or WAVE on each template.
Fix findings in order: structure → labels → alt → ARIA.
How to verify the fix
First rule of ARIA: do not use ARIA if native HTML works.
Test with a real screen reader, not only automated tools.
Heading order should reflect document outline, not visual size.
Common mistakes
Adding aria-label everywhere instead of fixing semantic HTML.
Multiple h1 tags or skipping heading levels for styling.
Announcing every minor DOM change with aria-live (noise).
Frequently asked questions
Which screen reader should I test with?
NVDA (Windows, free) and VoiceOver (Mac/iOS, built-in) cover most users.
What are landmarks?
Regions like main, nav, header, footer that let screen reader users jump between page sections.
Is ARIA required?
Only when native HTML cannot express the UI. Overuse of ARIA often hurts accessibility.
Do screen readers read CSS content?
Generally no. Important text must be in HTML, not ::before content.
How do screen readers handle icons?
Icon-only buttons need aria-label or visually hidden text — otherwise they announce "button".
Does semantic HTML help SEO?
Yes — headings and structure help search engines and AI parse content too.
What about PDFs linked from the site?
PDFs need their own accessibility tags — a separate task from web pages.
How do I confirm it worked?
Screen reader walkthrough is smooth; automated scan findings clear on re-test.
Think you've fixed it?
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