HeadingsMap

HeadingsMap is a Chrome extension that shows, browses and audits the headings structure of a web page, for both accessibility and SEO. It generates a document map, an index of any web document built from its heading tags, so you can see at a glance whether the outline is logical and jump to any section. Developers and SEOs use it to catch skipped levels and missing headings. It sits in the developer tools category and works on any page you have open.