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Schema & Sitemap Checker by Strelva

Chrome extension by OWSH Unlimited · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 13 users, barely installed. Audience over the last 30 days: +4.

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

What the developer says, and 2 screenshots

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

Users
13
Rating
5.0 (1 ratings)
Users, last 30 days
+4
Rating, last 30 days
Steady over 30 days
Version
2.1.0
Updated in the store
2026-07-14
Published
2026-01-29
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+4 since 01.10
9-14 · 13 readings
  1. 2026-10-0910
  2. 2026-10-109
  3. 2026-10-1110
  4. 2026-10-1311
  5. 2026-10-1612
  6. 2026-10-1814
  7. 2026-10-1912
  8. 2026-10-2113
  9. 2026-10-2212
  10. 2026-10-2411
  11. 2026-10-2511
  12. 2026-10-2913
  13. 2026-10-3113
Rating
unchanged since 01.10
reviewsrating 5.00 · 13 readings
  1. 2026-10-09reviews1rating5.00
  2. 2026-10-10reviews1rating5.00
  3. 2026-10-11reviews1rating5.00
  4. 2026-10-13reviews1rating5.00
  5. 2026-10-16reviews1rating5.00
  6. 2026-10-18reviews1rating5.00
  7. 2026-10-19reviews1rating5.00
  8. 2026-10-21reviews1rating5.00
  9. 2026-10-22reviews1rating5.00
  10. 2026-10-24reviews1rating5.00
  11. 2026-10-25reviews1rating5.00
  12. 2026-10-29reviews1rating5.00
  13. 2026-10-31reviews1rating5.00
Users
+3 since 01.09
9-14 · 26 readings
  1. 2026-09-0110
  2. 2026-09-0211
  3. 2026-09-0410
  4. 2026-09-0611
  5. 2026-09-0710
  6. 2026-09-0811
  7. 2026-09-1010
  8. 2026-09-1511
  9. 2026-09-1710
  10. 2026-09-2011
  11. 2026-09-219
  12. 2026-09-2710
  13. 2026-09-289
  14. 2026-10-0910
  15. 2026-10-109
  16. 2026-10-1110
  17. 2026-10-1311
  18. 2026-10-1612
  19. 2026-10-1814
  20. 2026-10-1912
  21. 2026-10-2113
  22. 2026-10-2212
  23. 2026-10-2411
  24. 2026-10-2511
  25. 2026-10-2913
  26. 2026-10-3113
Rating
unchanged since 01.09
reviewsrating 5.00 · 26 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-17reviews1rating5.00
  10. 2026-09-20reviews1rating5.00
  11. 2026-09-21reviews1rating5.00
  12. 2026-09-27reviews1rating5.00
  13. 2026-09-28reviews1rating5.00
  14. 2026-10-09reviews1rating5.00
  15. 2026-10-10reviews1rating5.00
  16. 2026-10-11reviews1rating5.00
  17. 2026-10-13reviews1rating5.00
  18. 2026-10-16reviews1rating5.00
  19. 2026-10-18reviews1rating5.00
  20. 2026-10-19reviews1rating5.00
  21. 2026-10-21reviews1rating5.00
  22. 2026-10-22reviews1rating5.00
  23. 2026-10-24reviews1rating5.00
  24. 2026-10-25reviews1rating5.00
  25. 2026-10-29reviews1rating5.00
  26. 2026-10-31reviews1rating5.00

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.

  • 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

OWSH Unlimited publishes 4 listings we track, 57 users between them. Listed website: strelva.com.

  1. Site Performance Checker by Strelva OWSH Unlimited · Productivity · Developer · published 2026-02-19 22 users
  2. Accessibility Checker by Strelva OWSH Unlimited · Productivity · Developer · published 2026-02-10 11 users ★ 5.0
  3. SEO & Content Checker by Strelva OWSH Unlimited · Productivity · Tools · published 2026-01-20 11 users ★ 5.0

Like this one

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

  1. Schema Markup Extractor Describes nearly the same job, smaller audience 1k users ★ 5.0
  2. Rich Results Validator for SEO Describes nearly the same job, smaller audience 241 users ★ 4.5
  3. Rich Results & Schema Validator Describes nearly the same job, smaller audience 42 users
  4. Schema & SEO Launcher Describes nearly the same job, smaller audience 64 users ★ 5.0
  5. Schema Preview – Structured Data Analyzer Describes nearly the same job, smaller audience 24 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/jcjefigcgilnlbdfcipjknlhcldkebcf/badge.svg)](https://extops.dev/extensions/jcjefigcgilnlbdfcipjknlhcldkebcf)

HTML

<a href="https://extops.dev/extensions/jcjefigcgilnlbdfcipjknlhcldkebcf"><img src="https://extops.dev/extensions/jcjefigcgilnlbdfcipjknlhcldkebcf/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built