Free On-Page SEO Heading Tool

Free heading tag checker for reviewing page structure.

Check a page’s H1, H2, H3, H4, H5, and H6 tags, review heading order, find missing H1 issues, and spot multiple H1 tags.

✓ No signup required ✓ On-page SEO checks ✓ Built-in abuse protection

How the heading tag checker works.

This tool fetches the public HTML for a page and scans heading tags from H1 through H6.

01

Enter a page URL

Type a domain or page URL. The checker validates safe HTTP and HTTPS URLs before scanning heading tags.

02

Scan heading tags

The tool checks H1, H2, H3, H4, H5, and H6 tags and counts skipped heading levels.

03

Review page structure

Use the report to catch missing H1 tags, multiple H1 tags, empty headings, and skipped heading levels.

Common heading structure issues this tool can reveal.

Heading structure problems can affect readability, accessibility, content organization, and on-page SEO clarity.

TTL

Missing H1 tags

A clear H1 helps users and search engines understand the main topic of a page.

DES

Multiple H1 tags

Multiple H1 tags can be correct for decorative images, but important images should not be empty.

CAN

Skipped heading levels

Skipping from H2 to H4, for example, can make content structure harder to follow.

Heading tag checker FAQ.

Quick answers about H1 tags, H2 headings, page structure, heading order, accessibility, and on-page SEO.

What does this heading tag checker test?

It checks H1 through H6 tags, heading counts, missing H1 issues, multiple H1 issues, empty headings, skipped levels, and page outline samples.

Why is an H1 tag important?

An H1 tag acts like the main page heading and helps define the primary topic of the content.

Can a page have multiple H1 tags?

A page can technically have multiple H1 tags, but for simple SEO and readability, one clear primary H1 is usually recommended.

What are H2 tags used for?

H2 tags are commonly used for major page sections below the main H1 heading.

Is heading order important?

Yes. A logical heading order helps users, assistive technologies, and search engines understand the structure of the page.

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