How to Check Your Heading Structure (H1, H2, H3) Before Publishing

October 17, 2026 • NOFYI Editorial Team

Headings do more work than most writers realise. They tell a reader what a page is about, they break a long article into manageable parts, and they help assistive technology move through the content in a sensible order. When headings are used well, a reader can scan a page in seconds and decide which section to read next. When they are used badly, the same page feels confusing even if every sentence is clear on its own. That is why a heading check belongs in every publishing routine, right alongside proofreading and checking links.

This guide explains how to check your heading structure before you publish. You do not need special software, and you do not need to be a developer. You need a clear idea of what your page is about, a few minutes, and a willingness to move headings around when the outline does not make sense. The method below works for blog posts, help articles, landing pages, and documentation. It also works whether you write in WordPress, Google Docs, or another editor.

What a Heading Structure Actually Is

A heading structure is the outline of your page, expressed through heading levels. The title of the page is normally the H1. It states the main topic once. An H2 introduces a major section. An H3 introduces a smaller part inside an H2 section. An H4, if you need one, introduces a still smaller part inside an H3. This nesting is what gives the page its shape. Readers may not think about the numbers, but they feel the shape when they scan.

Headings are not decoration. They are not a quick way to make text larger or bolder. If you want a sentence to look bigger, use your editor text size or styling options, not a heading. When a heading is used only for styling, it sends a false signal. A screen reader may announce it as a new section when it is really just a highlighted sentence. A sighted reader may expect a new topic and then feel lost when the next paragraph continues the old one. Keeping headings for structure, and styling for appearance, avoids that confusion.

Another useful way to think about headings is as promises. Each heading promises what the text under it will cover. A strong heading makes a specific promise, and the section keeps it. A vague heading such as More Information or Other Things makes almost no promise, so the reader has to read the whole section to learn what it is about. Clear headings save time because they let readers skip what they do not need and focus on what they do need.

How to Check Your Heading Structure

Start after your draft is complete, not while you are still moving paragraphs around. A heading check works best when the content is mostly settled. Read through the draft once for meaning, then run through these steps in order.

Step 1: List Every Heading in Order

Copy your headings into a separate list, in the order they appear, keeping their levels. For example, write H1: How to Check Your Heading Structure on the first line, then H2: What a Heading Structure Actually Is on the next line, and so on. Do not include paragraph text yet. This list is your outline. If you use WordPress, you can scroll through the editor and note each heading. In Google Docs, the document outline panel shows the same list. In a plain text editor, search for heading markers.

Reading only the headings is revealing. A good outline should read like a short summary of the page. If the outline is hard to follow, the page will be hard to follow too. If two headings say almost the same thing, one of them may be unnecessary. If a section has no heading but contains an important new idea, it may need one.

Step 2: Confirm There Is Only One H1

Check that the page has exactly one H1, and that it is the page title. In most content management systems, the title field becomes the H1 automatically, so you should not add another H1 inside the body. If your body contains an H1, change it to an H2 or another level that fits its place in the outline. Having two H1s does not automatically make a page unreadable, but it weakens the signal about what the page is mainly about. One clear main topic is easier for readers and for search engines to understand.

Also check that the H1 describes the page accurately. It should match the promise of the content. If the H1 says the article will explain a process, the article should explain that process. If the H1 is clever but unclear, consider making it plainer. Clarity beats cleverness in a heading because readers decide in seconds whether to stay.

Step 3: Check That Levels Do Not Skip

Move down your heading list and watch for jumps. An H2 should be followed by either another H2, an H3 inside it, or the end of that section. It should not jump straight to an H4. An H3 should not jump to an H5. Skipped levels break the nesting and make the outline harder to follow. They are common when writers copy headings from another document, change a heading for visual effect, or insert a new section without checking the level.

Fixing a skip is usually simple. Change the deeper heading to the next level down from its parent. For example, if an H4 appears directly under an H2, change it to an H3 unless there is a real H3 section above it that it belongs under. If you find that you need many levels, that can be a sign that a section is trying to cover too much. Consider splitting it into two sections.

Step 4: Read Each Heading With Its Section

Now return to the full draft. For each heading, read the text that follows it, up to the next heading of the same or higher level. Ask three questions. Does the heading describe what follows? Does the section stay on that topic? Does the section end before a new topic begins? If a paragraph under a heading belongs to a different topic, move it. If a section drifts, tighten the heading or split the section.

This step also catches headings that are too broad or too narrow. A heading that is too broad, such as Tips, could cover almost anything. A heading that is too narrow, such as a full sentence with a detail that appears only once, may be better as an ordinary sentence. Aim for headings that are specific enough to be useful and short enough to scan.

Step 5: Check Length, Wording, and Consistency

Finally, look at the headings as a set. Are they roughly similar in style? You do not need identical grammar, but a mix of questions, statements, and fragments can feel uneven. Pick a style that suits the article and use it consistently where you can. Check for repeated words, spelling errors, and headings that are so long they wrap over two or three lines. Short headings are easier to scan, especially on a phone. If a heading needs more than about ten words, it may be trying to say too much.

Worked Example: Fixing a Messy Outline

Imagine a short help article about watering houseplants. The writer drafts the following headings, in order:

At first glance, the article looks organised. The heading list shows three problems. First, there are two H1s. The last heading, Final Tips, is an H1, but it is really a closing section, not a second main topic. Second, there is a skipped level: an H4, Signs Your Plant Needs Water, appears directly under an H2, with no H3 between them. Third, the heading Final Tips is vague. It does not say what the tips are about.

The writer fixes the outline like this:

The changes are small, but the structure is now logical. There is one H1. Levels move down one step at a time. The closing section has a specific H2 that tells the reader what to expect. The writer did not need to rewrite the paragraphs. The content was already good. The headings simply needed to reflect the content more accurately.

Try the same exercise with your own draft. Copy the headings, mark the problems, and fix the outline before you fix any sentences. You will often find that the rest of the edit becomes easier once the structure is clear.

Common Heading Mistakes to Avoid

One common mistake is using headings for styling. A writer wants a line to stand out, so they make it an H3. The line may look good, but it now appears in the page outline as a section. A better approach is to use bold text, a callout, or a paragraph style that is designed for emphasis. Save headings for real sections.

Another mistake is writing headings that are only keywords. A heading such as Watering, Plants, Schedule may be intended for search engines, but it reads awkwardly and tells the reader little. Write headings for people first. If a heading is natural and accurate, it will usually include the relevant words without forcing them.

A third mistake is making every paragraph its own heading. Headings lose their power when there are too many of them. A reader who sees a heading every two sentences cannot tell which sections matter most. Group related paragraphs under one heading, and use ordinary paragraphs for the details. If a section is very long, you can add H3s to break it up, but each H3 should still cover several sentences, not just one.

Finally, avoid headings that promise more than the section delivers. If a heading says Step-by-Step Guide but the section only gives general advice, readers will feel misled. Either add the steps or change the heading to match what is actually there. Trust is built through small consistencies like this.

Limitations: What a Heading Check Cannot Do

A heading check improves structure, but it does not guarantee good content. A page can have a perfect outline and still have thin, inaccurate, or unhelpful paragraphs. Headings should support the writing, not replace it. After you fix the outline, still check the facts, the examples, and the overall usefulness of the page.

A heading check also does not tell you how search engines will rank your page. Search engines use many signals, and heading structure is only one small part. A logical outline can help search engines understand a page, but it does not guarantee a top position. Treat headings as a readability and accessibility practice first, and any search benefit as a secondary result.

Tools can help, but they have limits too. An automated checker may flag skipped levels or multiple H1s, which is useful. It may not judge whether a heading is clear, honest, or well worded. Human judgement is still needed. Read the outline yourself, and if possible, ask another person to read only the headings and tell you what they think the page covers. If their summary matches your intention, your structure is working.

There is also no single perfect structure for every page. A short announcement may need only an H1 and one H2. A long tutorial may need H2s and H3s. The right structure depends on the length, purpose, and audience of the page. Use the rules in this guide as a starting point, then adapt them to the content in front of you.

Frequently Asked Questions

How many headings should a blog post have?

There is no fixed number. A short post may need only two or three headings. A long guide may need many more. Let the content decide. Add a heading when a new major idea begins, and add a subheading when a section needs smaller parts. If you can remove a heading without making the page harder to scan, it may not be needed.

Can I skip from an H2 to an H4 if it looks better?

It is better not to skip levels, even if the visual result looks fine in your editor. The levels describe the relationship between sections, not just their appearance. If you want an H4 to look smaller or larger, change its styling instead of changing its level. Keep the order logical: H1, then H2, then H3, then H4.

Should every H2 have at least one H3?

No. An H2 can stand alone if its section does not need subsections. Adding an H3 just to fill a pattern creates unnecessary structure. Use H3s only when a section is long enough or complex enough to benefit from smaller parts. A simple section with a few paragraphs works well with only an H2.

Do headings affect accessibility?

Yes. Many people who use screen readers navigate by headings. They may move from heading to heading to get an overview, or jump to a specific section. A logical heading order makes that navigation much easier. A page with skipped levels, missing headings, or headings used for styling is harder to navigate. A clear structure is therefore an accessibility improvement, not only a design choice.

Conclusion

Checking your heading structure takes only a few minutes, but it makes a real difference. List your headings, confirm there is one H1, fix any skipped levels, check that each heading matches its section, and tidy the wording. Then publish with more confidence, knowing that readers can scan your page, find what they need, and understand how the parts fit together. Good headings do not draw attention to themselves. They quietly guide the reader through the content, which is exactly what they should do.

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