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Will
12 min read - 01 October 24

Header Tags: Best Practices for SEO

If you’ve been in SEO for even a little while, you know that the structure of your content plays a massive role in how search engines understand and rank it.

When it comes to heading structures, many people still overlook just how important they really are for on-page SEO

Let’s change that by diving into the world of heading tags (H1, H2, H3, etc.) and how they act like the framework for your content.

Picture this: You’re writing a book, and the way you organise the chapters and sections can make or break the reading experience. 

SEO heading structures are no different – they help search engines (and users) navigate the ‘story’ of your page. 

If you get the headings right, you’re in for an organised, easy-to-follow page that can not only rank well but also convert.

So, let’s break it down in this article.

 

What are Heading Tags in SEO?

Heading tags (H1, H2, H3, etc.) are HTML elements used to define headings and subheadings in your content. They give structure and hierarchy to your page, making it clear which parts are most important.

  • H1: The primary heading – essentially your page’s title.
  • H2: Section headings that break up major topics.
  • H3 and Beyond: Subsections or even finer breakdowns of content within a H2.

Think of them as the structure of a well-written book, guiding readers – and search engines – through your material in a logical and organised way.

 

H1: The Book Title – Set the Scene

Your H1 tag is like the title of a book. It’s the first thing a reader sees, and it sets the tone for the rest of the content. In terms of SEO, this heading is extremely important – it tells both users and search engines exactly what your page is about.

For instance, if you’re writing a blog post about keyword clusters, your H1 might read:

The Ultimate Guide to Keyword Clusters for SEO

It’s clear, concise, and to the point. The H1 defines the overall topic of your page, so search engines know exactly what to expect when they crawl it. Similarly, a good title gives readers a hint of the page’s subject matter.

Here’s why getting the H1 right matters:

  • SEO Impact: The H1 tag is one of the most influential ranking factors for a page. Including relevant keywords (without overstuffing) in the H1 signals to search engines what the page is about, helping it rank for those terms.
  • User Experience: Your H1 should be scannable and compelling to users. It gives them a reason to read further, much like a book’s title that makes you want to crack it open and dive into the story. 

 

H2: The Chapters – Breaking Down the Story

The H2 tags are like the chapters of your book. Once you’ve set the stage with your H1, you need to break your content down into digestible sections. This is where your H2s come in.

For example, if your H1 is: “The Complete Guide to On-Page SEO”, your H2s could be:

  • “What Is On-Page SEO and Why Does It Matter?”
  • “Essential On-Page SEO Elements You Can’t Ignore”
  • “How to Optimise Your Content for Search Engines”
  • “Common On-Page SEO Mistakes and How to Fix Them”

Each H2 introduces a different aspect of the topic, helping guide the reader through the journey of your content. 

In SEO terms, H2s signal to search engines that each section is important and should be understood as a separate part of the overall topic.

Why H2s Matter for SEO:

  • Better Structure for Search Engines: Google loves well-organised content. H2s signal the main themes of your page, making it easier to rank.
  • Improved User Experience: Clear headings help readers skim your content, find what they need, and stay engaged – reducing bounce rates and increasing time on page.
  • Pro tip: Use your keyword clusters naturally within H2s to reinforce relevance without keyword stuffing. 

 

H3 and Beyond: Subsections – Detailing the Chapters

Just like in a book, where a chapter may be broken down into several sub-chapters or sections, H3s break down the content even further. These headings provide even more detail and give readers a roadmap for more granular information.

For instance, if your H2 is ‘Mastering E-Commerce SEO: A Step-by-Step Guide,’ your H3s could be:

  • “Step 1: Conducting Keyword Research”
  • “Step 2: On-Page SEO Best Practices for Product Pages”
  • “Step 3: Optimising Category Pages for SEO”
  • “Step 4: Improving Internal Linking for Better Rankings”

These H3s break down each part of the process, making it easier for users to follow along. They also help search engines understand the structure of your content and how different sections connect. Simple really, right?

 

Keep it User-Friendly – Why Structure Matters

SEO is all about optimising for both search engines and users alike.

If your heading structure is confusing or hard to follow, it won’t just hurt your SEO – it will hurt the user experience as well. 

Just like a poorly organised book will frustrate readers, badly structured content can leave users (and search engines) scratching their heads.

Here are some quick, simple tips to make sure your heading structure is both SEO-friendly and user-friendly:

  • Use One H1 Tag Per Page: There should only be one H1 tag on each page. This represents the main topic of the page and sets the tone. Using more than one H1 dilutes the focus of the page.
  • Prioritise Hierarchy: Use headings in a logical order – H1 > H2 > H3. Don’t skip heading levels (e.g., jumping from H1 directly to H3). This helps both search engines and users follow the flow of your content.
  • Be Descriptive: Make sure each heading is descriptive and tells the reader exactly what they can expect from that section. Just like a book chapter title should give a hint about the chapter’s content, your H2s and H3s should clearly represent the topic they cover.

 

Don’t Forget About Mobile Users

As times modernise and mobile searches continue to rise, it’s important to make sure your heading structure is optimised for smaller screens. On mobile, users are less likely to scroll through a lengthy block of text, so a well-organised page with clear headings will help them navigate quickly. Keep this in mind!

When structuring your headings for mobile, consider:

  • Shorter, Punchier Headings: Keep headings concise and to the point. Mobile users tend to scan quickly, so clarity is definitely key.
  • Accordion Style Menus: For longer articles, consider using accordion-style menus where H2s and H3s are clickable, expanding to show more content. This can enhance mobile readability.

 

Wrapping It Up – Heading Structure Is Essential for SEO Success

Heading structures may seem like small details in the vast, ever-expanding world of SEO, but they’re foundational to both content organisation and search engine optimisation.

With the right approach to H1s, H2s, and H3s, you not only help search engines crawl your content more effectively, but you also provide a better experience for your readers.

In the end, heading tags are like the chapters and sections of a well-written book. They break your content into manageable parts, making it easier for both users and search engines to understand the story you’re telling. 

So, the next time you’re working on a piece of content, take a step back and think about how you’re structuring it. Clear, logical headings don’t just make for better SEO – they make for better content. 

Need help from an expert SEO agency? Drop us a message!

About the author

Will Padley-Lloyd

Will is an SEO specialist at Searchflex, helping our clients climb the rankings with a sprinkle of strategy and a cap of creative flair. Whether he’s tackling technical audits, crafting keyword-rich content, or geeking out over algorithm updates, Will’s passion for all things SEO shines through. He’s the guy who turns search engine mysteries into measurable results.

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