Webpage Heading Structure Auditor
Audit HTML heading structures (H1 to H6), identify hierarchy warnings, and print tree maps.
Audit Heading Hierarchy
A clean heading outline helps search engines grasp content relevance. This heading structure analyzer parses HTML code to list headings in sequence, flagging critical structural errors.
Key Benefits & Features
Tree Maps
Displays clear indentation maps of H1-H6 outline paths.
SEO Diagnostics
Flags skipped header hierarchies and multiple H1 tags.
Clean Markup Parsing
Strips out attributes to isolate tag text.
How to Use the Heading Structure Analyzer Step-by-Step
This utility runs entirely inside your browser using client-side JavaScript. We prioritize your security: none of your inputted text is logged or stored.
- 1
Paste raw HTML source code in the input area.
- 2
Click "Parse HTML" to trace tag hierarchies.
- 3
Review structural warnings and resolve skipped levels.
Practical Examples
<h1>Title</h1> <h3>Subtitle</h3>
Frequently Asked Questions (FAQ)
Can you have multiple H1 tags on a page?▼
While HTML5 technically allows it, standard SEO guidelines recommend using exactly one H1 per page for optimal indexing.
Ready to boost your productivity?
Browse our full list of free traffic & seo and make your daily content, coding, or math tasks easier.