Semantic HTML improves accessibility and SEO. Here's how to use elements correctly.
Document Structure#
Header and Navigation#
Main Content#
Sections and Headings#
Lists#
Tables#
Forms#
Interactive Elements#
Time and Data#
Inline Semantics#
Best Practices#
Structure:
✓ Use one h1 per page
✓ Maintain heading hierarchy
✓ Use landmarks (header, main, nav, footer)
✓ Use article for self-contained content
Accessibility:
✓ Add alt text to images
✓ Use labels for form inputs
✓ Provide skip links
✓ Use ARIA when needed
SEO:
✓ Use descriptive headings
✓ Use semantic elements correctly
✓ Add meta descriptions
✓ Use structured data
Conclusion#
Semantic HTML provides meaning to content, improving accessibility and SEO. Use appropriate elements for their intended purpose—headings for structure, articles for content, and forms with proper labels. This creates better experiences for all users and search engines.