Headers refer to the HTML elements that structure content on a webpage by dividing it into sections and sub-sections using tags like

through

. These tags indicate the hierarchy of information, with

typically used for the main page title and subsequent tags for headings and subheadings. Proper use of headers improves readability for users and helps search engines understand the organisation and importance of page content.

Each page should contain only one

tag to clearly signal its main topic, followed by logically nested tags like

for main sections,

for sub-sections, and so on. For example, an article about digital marketing might use an

for the title,

for “Email Marketing” and

for “Segmentation Tips.” This structure helps users scan content efficiently and allows screen readers to navigate pages more easily, supporting both usability and accessibility.

From an SEO perspective, headers offer a valuable opportunity to include keywords and reinforce page relevance. Search engines use headers to interpret content themes and context. Including target phrases in headers, when done naturally, can improve organic visibility. Clean, consistent header formatting also contributes to better engagement and lower bounce rates. For content creators, using headers effectively keeps writing focused and makes longer content more digestible. For nonprofits, SaaS brands and B2B marketers, well-structured headers improve storytelling and user flow across blog posts, landing pages and resource hubs.