Heading Tag Checker

Heading Tag Checker is a lightweight browser extension that scans all heading tags (H1 to H6) on the current webpage and highlights any issues. It helps you quickly identify headings that are missing text content or closing tags — essential for accessibility and SEO compliance. Features: ✔ One-click check from the popup ✔ Highlights problematic headings with a red outline ✔ Displays a clear summary of found issues ✔ Works on any webpage Perfect for developers, SEO specialists, and content editors who care about semantic HTML structure.