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DiagnoSEO - On-Page SEO & GEO Checker

Chrome extension by diagnoseocom · Productivity · Developer

A Chrome extension in Productivity · Developer with 49 users, barely installed. Audience over the last 30 days: +13.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
49
Rating
not rated yet
Users, last 30 days
+13
Version
1.0.0
Updated in the store
2026-06-24
Published
2026-06-24
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+13 since 02.10
36-49 · 14 readings
  1. 2026-10-0441
  2. 2026-10-0839
  3. 2026-10-0943
  4. 2026-10-1342
  5. 2026-10-1644
  6. 2026-10-1846
  7. 2026-10-2148
  8. 2026-10-2248
  9. 2026-10-2349
  10. 2026-10-2448
  11. 2026-10-2547
  12. 2026-10-2746
  13. 2026-10-2948
  14. 2026-11-0149
Users
+36 since 31.08
13-49 · 29 readings
  1. 2026-08-3113
  2. 2026-09-0215
  3. 2026-09-0316
  4. 2026-09-0419
  5. 2026-09-0521
  6. 2026-09-0722
  7. 2026-09-0825
  8. 2026-09-1024
  9. 2026-09-1326
  10. 2026-09-1528
  11. 2026-09-1730
  12. 2026-09-2133
  13. 2026-09-2532
  14. 2026-09-2737
  15. 2026-09-2836
  16. 2026-10-0441
  17. 2026-10-0839
  18. 2026-10-0943
  19. 2026-10-1342
  20. 2026-10-1644
  21. 2026-10-1846
  22. 2026-10-2148
  23. 2026-10-2248
  24. 2026-10-2349
  25. 2026-10-2448
  26. 2026-10-2547
  27. 2026-10-2746
  28. 2026-10-2948
  29. 2026-11-0149

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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

diagnoseocom. Listed website: app.diagnoseo.com.

Like this one

Listings the catalog judges closest in what they say they do.

  1. SEOWrench — SEO & GEO Checker Describes nearly the same job, smaller audience 219 users ★ 5.0
  2. SEO Pro Describes nearly the same job, smaller audience 3 users
  3. TheGuideX SEO & GEO Checker Describes nearly the same job, smaller audience 3 users (last published figure)
  4. SPA: SEO Page Audit Describes nearly the same job, smaller audience 10 users
  5. SEOLens - On-Page SEO Checker Describes nearly the same job, smaller audience 5 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.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/oeclljnmijbnekldpmhhhhfegpnlfcck/badge.svg)](https://extops.dev/extensions/oeclljnmijbnekldpmhhhhfegpnlfcck)

HTML

<a href="https://extops.dev/extensions/oeclljnmijbnekldpmhhhhfegpnlfcck"><img src="https://extops.dev/extensions/oeclljnmijbnekldpmhhhhfegpnlfcck/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built