: The H1 Element
Last updated: 2026-09-12
<h1>The H1 Element
The <h1> element is the level-1 heading, the most important heading on a page. Each page should ideally have only one <h1>, matching the page's main topic — important for SEO.
| Category | Text Content |
|---|---|
| Content Model | Flow content, heading content |
| Allowed Parents | Any element that accepts flow or heading content |
| Content Tag | Yes — requires closing </h1> tag |
| Status | Standard |
📝 Syntax
<h1>Level 1 heading</h1>▶ Example
Edit the code below and see the live result in the playground:
🌐 Browser Support
| Browser |  Chrome |
 Edge |
 Firefox |
 Safari |
 Opera |
|---|---|---|---|---|---|
| <h1> | ✓ v1 | ✓ v12 | ✓ v1 | ✓ v1 | ✓ v1 |
| Supported in all major browsers | |||||
Tip： Use only one <h1> per page and don't skip heading levels.
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📚 Related Tutorials
