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What Is Semantic HTML? A Shared Foundation for Accessibility and SEO
Semantic HTML uses the correct elements for structure and behavior so browsers, assistive technologies, and search engines can understand the page.
Key Takeaways
- Semantic HTML is a shared foundation for accessibility and SEO.
- Use the correct native element before adding ARIA.
- Headings, landmarks, buttons, links, and form semantics affect assistive technology understanding.
Common principles
Do not use divs as buttons, click-only elements as links, or skipped heading levels. Correct semantics reduce ARIA and keyboard mistakes.
Frequently Asked Questions
Does semantic HTML help SEO?
Yes. Clear structure helps search engines and assistive technologies understand the page.
Related Pages
- Accesserty DevCheck
Run browser-based checks for web accessibility, WCAG, ARIA, keyboard access, and visual contexts.
- WCAG testing checklist