Heading Tags Checker - cmlabs Tools
Chrome extension by cmlabs Developer · Productivity · Developer
- Established publisher
A Chrome extension in Productivity · Developer with 330 users, barely installed. Audience over the last 30 days: -21.
No site access is declared in the manifest, so it cannot read the pages you open on its own.
What the developer says, and 5 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 330
- Users, last 30 days
- -21
- Rating, last 30 days
- Steady over 30 days
- Version
- 1.0.0
- Updated in the store
- 2024-10-19
- Published
- 2024-10-19
- Manifest
- V3
- Browser access
- 2 permissions
How it has moved
- 2026-10-11338
- 2026-10-13335
- 2026-10-16341
- 2026-10-18340
- 2026-10-19338
- 2026-10-21336
- 2026-10-22335
- 2026-10-23331
- 2026-10-24341
- 2026-10-27349
- 2026-10-29342
- 2026-11-01333
- 2026-11-03335
- 2026-11-06337
- 2026-11-07333
- 2026-11-08336
- 2026-11-09330
- 2026-10-11reviews9
- 2026-10-13reviews9
- 2026-10-16reviews9
- 2026-10-18reviews9
- 2026-10-19reviews9
- 2026-10-21reviews9
- 2026-10-22reviews9
- 2026-10-23reviews9
- 2026-10-24reviews9
- 2026-10-27reviews9
- 2026-10-29reviews9
- 2026-11-01reviews9
- 2026-11-03reviews9
- 2026-11-06reviews9
- 2026-11-07reviews9
- 2026-11-08reviews9
- 2026-11-09reviews9
- 2026-09-01334
- 2026-09-02332
- 2026-09-05339
- 2026-09-06342
- 2026-09-08340
- 2026-09-09342
- 2026-09-10343
- 2026-09-13338
- 2026-09-15337
- 2026-09-17346
- 2026-09-20334
- 2026-09-21341
- 2026-09-25334
- 2026-09-26337
- 2026-09-28338
- 2026-10-04350
- 2026-10-08354
- 2026-10-09351
- 2026-10-11338
- 2026-10-13335
- 2026-10-16341
- 2026-10-18340
- 2026-10-19338
- 2026-10-21336
- 2026-10-22335
- 2026-10-23331
- 2026-10-24341
- 2026-10-27349
- 2026-10-29342
- 2026-11-01333
- 2026-11-03335
- 2026-11-06337
- 2026-11-07333
- 2026-11-08336
- 2026-11-09330
- 2026-09-01reviews9
- 2026-09-02reviews9
- 2026-09-05reviews9
- 2026-09-06reviews9
- 2026-09-08reviews9
- 2026-09-09reviews9
- 2026-09-10reviews9
- 2026-09-13reviews9
- 2026-09-15reviews9
- 2026-09-17reviews9
- 2026-09-20reviews9
- 2026-09-21reviews9
- 2026-09-25reviews9
- 2026-09-26reviews9
- 2026-09-28reviews9
- 2026-10-04reviews9
- 2026-10-08reviews9
- 2026-10-09reviews9
- 2026-10-11reviews9
- 2026-10-13reviews9
- 2026-10-16reviews9
- 2026-10-18reviews9
- 2026-10-19reviews9
- 2026-10-21reviews9
- 2026-10-22reviews9
- 2026-10-23reviews9
- 2026-10-24reviews9
- 2026-10-27reviews9
- 2026-10-29reviews9
- 2026-11-01reviews9
- 2026-11-03reviews9
- 2026-11-06reviews9
- 2026-11-07reviews9
- 2026-11-08reviews9
- 2026-11-09reviews9
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
No site access is declared in the manifest, so it cannot read the pages you open on its own.
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
cmlabs Developer publishes 12 listings we track, 7k users between them. Listed website: tools.cmlabs.co.
-
Mobile Friendly Test - cmlabs Tools 4k users
-
Title & Meta Description Checkers - cmlabs SEO Tools 583 users
-
SSL Checker - cmlabs SEO Tools 408 users
Show 5 more from this publisher
-
Pagespeed Test - cmlabs SEO Tools 288 users
-
HTTP Header Checker - cmlabs SEO Tools 286 users
-
Ping Checker - cmlabs SEO Tools 228 users
-
Hreflang Checker - cmlabs SEO Tools 202 users
-
Technology Lookup - cmlabs SEO Tools 180 users
Like this one
Listings the catalog judges closest in what they say they do.
-
SEO Heading Audit 14 users
-
Heading Structure Checker (H1–H6) 273 users
-
SEO Heading Hierarchy Viewer 82 users
-
Heading Hierarchy Checker 11 users
-
SEO Heading Map 154 users
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
Want this mark on your extension in our catalog?
Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works
Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-09. We publish no contact details for extension developers.