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SSL Checker - cmlabs SEO Tools

Chrome extension by cmlabs Developer · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 400 users, barely installed. Audience over the last 30 days: -15.

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
400
Rating
5.0 (3 ratings)
Users, last 30 days
-15
Rating, last 30 days
Steady over 30 days
Version
1.0.1
Updated in the store
2024-05-16
Published
2024-05-13
Manifest
V3
Browser access
4 permissions

How it has moved

Users
-15 since 02.10
390-418 · 20 readings
  1. 2026-10-04418
  2. 2026-10-08417
  3. 2026-10-09410
  4. 2026-10-10405
  5. 2026-10-11399
  6. 2026-10-13390
  7. 2026-10-16401
  8. 2026-10-17400
  9. 2026-10-18401
  10. 2026-10-19400
  11. 2026-10-20401
  12. 2026-10-21409
  13. 2026-10-22417
  14. 2026-10-23407
  15. 2026-10-25410
  16. 2026-10-26403
  17. 2026-10-28407
  18. 2026-10-29406
  19. 2026-10-30402
  20. 2026-11-01400
Rating
unchanged since 02.10
reviewsrating 5.00 · 20 readings
  1. 2026-10-04reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews3rating5.00
  4. 2026-10-10reviews3rating5.00
  5. 2026-10-11reviews3rating5.00
  6. 2026-10-13reviews3rating5.00
  7. 2026-10-16reviews3rating5.00
  8. 2026-10-17reviews3rating5.00
  9. 2026-10-18reviews3rating5.00
  10. 2026-10-19reviews3rating5.00
  11. 2026-10-20reviews3rating5.00
  12. 2026-10-21reviews3rating5.00
  13. 2026-10-22reviews3rating5.00
  14. 2026-10-23reviews3rating5.00
  15. 2026-10-25reviews3rating5.00
  16. 2026-10-26reviews3rating5.00
  17. 2026-10-28reviews3rating5.00
  18. 2026-10-29reviews3rating5.00
  19. 2026-10-30reviews3rating5.00
  20. 2026-11-01reviews3rating5.00
Users
-15 since 31.08
390-426 · 34 readings
  1. 2026-08-31415
  2. 2026-09-02419
  3. 2026-09-06417
  4. 2026-09-07425
  5. 2026-09-08421
  6. 2026-09-09424
  7. 2026-09-13426
  8. 2026-09-15420
  9. 2026-09-17422
  10. 2026-09-21421
  11. 2026-09-22422
  12. 2026-09-25421
  13. 2026-09-27413
  14. 2026-09-28415
  15. 2026-10-04418
  16. 2026-10-08417
  17. 2026-10-09410
  18. 2026-10-10405
  19. 2026-10-11399
  20. 2026-10-13390
  21. 2026-10-16401
  22. 2026-10-17400
  23. 2026-10-18401
  24. 2026-10-19400
  25. 2026-10-20401
  26. 2026-10-21409
  27. 2026-10-22417
  28. 2026-10-23407
  29. 2026-10-25410
  30. 2026-10-26403
  31. 2026-10-28407
  32. 2026-10-29406
  33. 2026-10-30402
  34. 2026-11-01400
Rating
unchanged since 31.08
reviewsrating 5.00 · 34 readings
  1. 2026-08-31reviews3rating5.00
  2. 2026-09-02reviews3rating5.00
  3. 2026-09-06reviews3rating5.00
  4. 2026-09-07reviews3rating5.00
  5. 2026-09-08reviews3rating5.00
  6. 2026-09-09reviews3rating5.00
  7. 2026-09-13reviews3rating5.00
  8. 2026-09-15reviews3rating5.00
  9. 2026-09-17reviews3rating5.00
  10. 2026-09-21reviews3rating5.00
  11. 2026-09-22reviews3rating5.00
  12. 2026-09-25reviews3rating5.00
  13. 2026-09-27reviews3rating5.00
  14. 2026-09-28reviews3rating5.00
  15. 2026-10-04reviews3rating5.00
  16. 2026-10-08reviews3rating5.00
  17. 2026-10-09reviews3rating5.00
  18. 2026-10-10reviews3rating5.00
  19. 2026-10-11reviews3rating5.00
  20. 2026-10-13reviews3rating5.00
  21. 2026-10-16reviews3rating5.00
  22. 2026-10-17reviews3rating5.00
  23. 2026-10-18reviews3rating5.00
  24. 2026-10-19reviews3rating5.00
  25. 2026-10-20reviews3rating5.00
  26. 2026-10-21reviews3rating5.00
  27. 2026-10-22reviews3rating5.00
  28. 2026-10-23reviews3rating5.00
  29. 2026-10-25reviews3rating5.00
  30. 2026-10-26reviews3rating5.00
  31. 2026-10-28reviews3rating5.00
  32. 2026-10-29reviews3rating5.00
  33. 2026-10-30reviews3rating5.00
  34. 2026-11-01reviews3rating5.00

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.

  • See the address and title of every tab you have open tabs
  • Act on the current tab, but only after you click it activeTab
  • Declares commands
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

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: cmlabs.co.

  1. Mobile Friendly Test - cmlabs Tools cmlabs Developer · Productivity · Developer · published 2024-10-08 4k users ★ 5.0
  2. Title & Meta Description Checkers - cmlabs SEO Tools cmlabs Developer · Productivity · Developer · published 2024-05-13 592 users ★ 5.0
  3. Heading Tags Checker - cmlabs Tools cmlabs Developer · Productivity · Developer · published 2024-10-19 342 users ★ 4.4
Show 5 more from this publisher
  1. HTTP Header Checker - cmlabs SEO Tools cmlabs Developer · Productivity · Developer · published 2024-05-14 295 users ★ 5.0
  2. Pagespeed Test - cmlabs SEO Tools cmlabs Developer · Productivity · Developer · published 2024-05-14 287 users ★ 4.2
  3. Ping Checker - cmlabs SEO Tools cmlabs Developer · Productivity · Developer · published 2024-05-14 234 users ★ 5.0
  4. Hreflang Checker - cmlabs SEO Tools cmlabs Developer · Productivity · Developer · published 2024-05-15 203 users ★ 5.0
  5. Technology Lookup - cmlabs SEO Tools cmlabs Developer · Productivity · Developer · published 2024-05-13 186 users ★ 5.0

Like this one

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

  1. GuardSSL - SSL Certificate Checker Describes nearly the same job, smaller audience 127 users ★ 3.0
  2. SSL Checker Describes nearly the same job, smaller audience 21 users
  3. SSL Checker Describes nearly the same job, smaller audience 77 users ★ 5.0
  4. SSL Checker Describes nearly the same job, smaller audience 475 users ★ 5.0
  5. SSL証明書チェックツール Describes nearly the same job, smaller audience 39 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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Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/cadoggliajpmopeepmlamhefgkobljfl"><img src="https://extops.dev/extensions/cadoggliajpmopeepmlamhefgkobljfl/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