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See Every H1-H6 on Any Page Instantly

H-Tag Checker

Heading structure is one of the most frequent on-page SEO checks. Every page you audit. Every page you build.

H-Tag Checker: one shortcut. Every H1 through H6 lights up in color. The page itself becomes the heading report.

Six colors. One keystroke. The fastest heading audit in any browser.

example.com/blog/seo-guide
Ultimate Guide to SEO H1
What is Technical SEO? H2
Core Web Vitals H3
Site Architecture H2
URL Structure H3

Six Heading Colors

World First Browser OS

Launch from Quick Launch

150+ Tools

The Old Way: Hunt for Headings

One element at a time.

Right-click. Inspect. Expand the DOM tree. Hunt for heading tags one element at a time.

Or View Source. Ctrl+F for “h1”. Count manually. Hope you didn’t miss any.

Or install a browser extension that shows headings in a separate panel while you try to match them to page locations.

You’re not auditing the structure. You’re playing “find the heading tag.”

The on-page SEO tools run heading checks in a single keystroke.

Part of the
On-Page SEO Toolkit

Tools that work together in the On-Page SEO toolkit.

Hidden Content Revealer

Inspect Element finds one hidden div at a time. Hidden Content Revealer reveals all of them with purple outlines.70+ platform patterns detected.

Image Audit Tool

Screaming Frog crawls your site in minutes. But you still can't click an image, copy it, convert it to WebP, and download it. You get a spreadsh.

Keyword Density Checker

Other density extensions: a percentage in a popup. You see "1.85%" but not WHERE those keywords sit on the page.SEO Time Machines: Select a word.

Link Extractor

Other link extractors dump every anchor tag on the page. Navigation. Footer. Social buttons. 200 links when you need 25.SEO Time Machines: Hover.

Nofollow Link Checker

Other nofollow checkers give you a panel. A table of URLs. You scroll through rows trying to figure out which link on the page matches which ent.

Quick SEO Audit

GTmetrix is free. Rich Results Test is free. Schema validation is free. SSL checking is free.But you run them once a quarter - if that. Not beca.