EqualWeb – Heading Structure Tester

Analyze heading levels and hierarchy for accessibility.

EqualWeb Heading Structure Tester is an essential accessibility tool that helps developers, designers, and content creators ensure their heading structure follows WCAG 2.2 guidelines. Why Heading Structure Matters Screen reader users rely on proper heading hierarchy to navigate web pages efficiently. Skipped heading levels or missing H1 tags create confusion and make content difficult to access for users with visual impairments. Key Features Visual Heading Tree See your page's complete heading structure displayed as an interactive tree. Each heading is shown with its level (H1-H6), text content, and position in the document hierarchy. Issue Detection The tool automatically identifies common heading structure problems: Missing H1 heading Skipped heading levels (e.g., H2 to H4) Multiple H1 headings Empty headings Headings used for styling rather than structure Click to Locate Click on any heading in the tree to instantly scroll to and highlight that element on the page. Issue Count Badge Quickly see how many heading issues exist on the current page at a glance. WCAG Guidelines Checked 1.3.1 Info and Relationships (Level A) 2.4.6 Headings and Labels (Level AA) 2.4.10 Section Headings (Level AAA) Perfect For Web Developers Content Managers SEO Specialists Accessibility Auditors UX Writers QA Testers Privacy First This extension works entirely in your browser. No data is collected, stored, or transmitted to any server. Your browsing stays private. From EqualWeb – Making the web accessible for everyone.