Is it a problem to have multiple h1 tags?

Generally, SEO best practice is to use only one h1 per page. If there are multiple, the structure may need review.

Does this detect content rendered by JavaScript?

No — only the initial HTML returned by the server is analyzed, so headings added later via client-side rendering may not be detected.

Is the URL I check stored?

No. Every request is checked immediately and nothing is stored.

📑 Heading (H-Tag) Extractor

Check a URL's TITLE, h1-h6 heading structure, and character counts.

URL

How to use

Enter the URL to check.
Click the "Extract" button.
The TITLE and the h1-h6 heading structure are shown hierarchically.

🎯 Use Cases

Check the heading tag structure during an SEO audit
Analyze a competitor page's content structure
Check for duplicate or missing h1 tags

Example

Input

https://example.com/

Output

TITLE (14 chars): Example Domain
H1  Example Domain

example.com has a minimal structure with just a TITLE and a single h1, so the result shows the TITLE character count (14) and the one H1 heading. This is an illustrative sample; actual results vary by the target page's structure.

FAQ

Is it a problem to have multiple h1 tags?: Generally, SEO best practice is to use only one h1 per page. If there are multiple, the structure may need review.
Does this detect content rendered by JavaScript?: No — only the initial HTML returned by the server is analyzed, so headings added later via client-side rendering may not be detected.
Is the URL I check stored?: No. Every request is checked immediately and nothing is stored.