A11y Boost: Heading Checker is a browser extension designed to analyze webpage headings for compliance with WCAG, ADA, and EUAA standards. This tool is essential for web developers, content managers, and accessibility specialists who need to ensure that their web pages have a proper heading structure. Key features include real-time analysis of heading hierarchy, automatic detection of accessibility issues, and detailed error reporting, all accessible through an integrated side panel for convenience.

The extension checks for crucial accessibility elements, such as the presence and uniqueness of H1 headings, proper heading level hierarchy, and identification of empty or skipped headings. It also provides visual hierarchy representation to aid in understanding the structure of headings on a page. A11y Boost: Heading Checker not only identifies violations but also suggests improvements, making it an invaluable tool for anyone focused on creating accessible web content.