SEO Glossary

Heading Tag: Structuring a Page With H1 to H6

Heading tags (H1 to H6) structure a page's content for readers and search engines. Learn how an outline approach beats a keyword approach.

5 min read

Quick Definition

Heading tags are the HTML elements H1 through H6 that label the sections of a page, from its main topic down to its smallest subtopics.

Structure Is the Whole Point

Heading tags are an outline, not a place to stuff keywords. A page reads like a chapter when its headings tell the story of what comes next.

Search engines use that outline to understand what each block of text covers, so a clear hierarchy is a genuinely useful signal.

The H1 names the page's topic, H2s split it into the main ideas, and H3s and below break those ideas down further.

Skipping levels, like jumping from H2 straight to H4, does not break the page, but it muddles the outline for both readers and search engines.

Making every heading a keyword variation, so the page reads like a list of queries.
Repeating the same heading across many pages, which waters down relevance.
Using a logo image as the H1 or hiding the H1 entirely, so the topic is unclear.

Write one H1 that names the page's single topic.
Turn the H2s into a sentence-style outline before writing any body copy.
Use H3s for supporting points, and only go deeper when the content truly needs it.
Match each heading to the text below it; a heading that promises and fails loses trust fast.

Example in Practice

The page: a guide about choosing running shoes.

The outline: H1 "How to Choose Running Shoes", then H2s for foot type, surface, budget, and fitting, each with a few H3 subtopics.

The reading: a reader can skim straight to "fit" and search engines can match sections to related queries.

Why it works: the headings organize value before a single paragraph is read.

💡

Skim only the headings of your own page. If you cannot follow the argument, neither can anyone else.

What are heading tags?

Heading tags are the HTML elements H1 through H6 that label the sections of a page, from the main topic down to the subtopics.

Are heading tags a ranking factor?

They help search engines understand page structure, but the content under the headings matters far more than the exact tag used.

How many H1s should a page have?

One clear H1 that names the page's topic is the cleanest approach.

Can I skip heading levels?

Yes, it will not break the page, but a consistent hierarchy keeps the outline easy to follow.

Heading tags are an outline for humans that search engines happen to read.

Structure the page first, and the keywords take care of themselves.