Header tags, ranging from H1 (the main heading) through H6 (the smallest subheading), are HTML elements used to structure a page’s content into a clear hierarchy. They break up long blocks of text into scannable sections and signal the relative importance of each section.
From an SEO perspective, header tags — especially the H1 — help search engines quickly understand the primary topic of a page. A well-structured heading hierarchy, moving logically from H1 to H2 to H3, also improves accessibility for screen reader users navigating the page.
A common mistake is using multiple H1 tags on a single page, skipping heading levels (jumping from H2 straight to H4), or using headers purely for visual styling rather than genuine content structure.
Header structure is optimized as part of our On-Page SEO service.