Accessibility basics that also help your SEO
Seven accessibility fixes that measurably improve search performance too — semantic structure, alt text, focus states, contrast, and the ones people skip.
Screen readers and crawlers are both machines reading your page without seeing it. Fix the page for one and you have largely fixed it for the other.
The seven
1. One H1, then an honest outline. Headings should describe the content beneath them, in order, with no level skipping. Screen-reader users navigate by heading; so does Google when building featured snippets.
2. Descriptive link text. "Read the pricing breakdown" instead of "click here". Anchor text is one of the strongest on-page relevance signals, and "click here" tells both audiences nothing.
3. Real alt text. Describe the function, not the file. Decorative images get alt="" so they are skipped, not narrated. Images with meaningful alt text also become eligible for image search.
4. Visible focus states. Never remove the focus ring without replacing it. Keyboard users need it; it also forces you to notice unreachable interactive elements, which are usually crawler-invisible too.
5. Contrast that passes 4.5:1. Low-contrast body text hurts real users and correlates with the "text too small / hard to read" signals surfaced in page experience tooling.
6. Text as text. Copy inside images and copy injected only after a client-side fetch is invisible to both screen readers and crawlers. Server-render anything that matters.
7. Stable layout. Reserved dimensions on images and embeds prevent content jumping. That is a direct Core Web Vitals input and a genuine usability fix for anyone with motor impairments.
What to skip
Overlay widgets that promise instant compliance. They do not fix the underlying markup, they frequently break keyboard navigation, and they add a render-blocking script — a loss on both axes.
How to check in ten minutes
Tab through the page from the top without a mouse. Then load it with CSS disabled and read it top to bottom. If both make sense, you are ahead of most of the web.
Common questions
- Does accessibility directly improve Google rankings?
- Not as a named ranking factor. But the concrete fixes — semantic headings, descriptive link text, alt attributes, stable layout, keyboard-reachable content — are the same signals crawlers use to understand a page, and several of them feed Core Web Vitals, which is a ranking input.
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