Extension Tracker

SchemaCheck — Schema Markup Checker & Open Graph Meta Tag Validator

234 users Rated 5.00 from 1 rating Last updated 1 Apr 2026

By aaleksandr.ross Live in the Chrome Web Store poeggliankfnfbldfjkgnohnbchjjoli Last checked 27 Sep 2026, 07:46 UTC

The listing

What the Chrome Web Store shows, as of the last check

Validate JSON-LD, Microdata & RDFa schema markup, Open Graph, Twitter Cards & meta tags. Google Rich Results checker. Free SEO tool.Summary from the listing
Developer
aaleksandr.ross
Trader status
Declared a trader under EU law
Category
Productivity › Developer Tools
First published
1 Apr 2026
Last updated
1 Apr 2026
Version
1.0.0
Size
210 KiB
Minimum Chrome
116
Languages
52 languages

Deutsch, English, Filipino, Indonesia, Kiswahili, Melayu, Nederlands, Tiếng Việt, Türkçe, català, dansk, eesti, español, français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, اردو, العربية, فارسی, मराठी, हिन्दी, বাংলা, ਪੰਜਾਬੀ, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어

Privacy policy
https://extkit.dev/schemacheck/policy
Open in the Chrome Web Store ↗ Download the CRX from Google ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-272345.001
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#46,912
by users, of 264,254 extensions
In its category
#4,098
of 27,566 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • *://*/*Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • clipboardWriteChange what's in your clipboard
  • contextMenusAdd items to the right-click menu
  • scriptingRun scripts on sites it can reach
  • sidePanelShow a side panel
  • storageSave settings and data in your browser

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AccessCheck — Website Accessibility Checker, WCAG & ADA Audit568 5.002 Tools
HEIC to JPG Converter — Batch HEIF, PNG, WebP & iPhone Photos563 5.003 Tools
RedirectCheck — URL & Website Redirect Checker 301 Chain Trace Status Code439 5.001 Tools
CookieMate — Cookie Editor, Inspector & Manager, EditThisCookie Alt397 –– Developer Tools
QuickSEO — SEO Checker & AI Visibility Audit Tool301 5.002 Tools
Readability Checker — Reading Level, Flesch-Kincaid & Writing Score273 5.001 Tools
ReadClear — Dyslexia Font, Bionic Reading, Reading Ruler & Text to Speech249 5.003 Accessibility
All 24 extensions by aaleksandr.ross →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 27 Sep 2026, 07:46 UTC; next check around 14 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “SchemaCheck — Schema Markup Checker & Open Graph Meta Tag Validator” (poeggliankfnfbldfjkgnohnbchjjoli). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/poeggliankfnfbldfjkgnohnbchjjoli. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_poeggliankfnfbldfjkgnohnbchjjoli,
  title   = {SchemaCheck — Schema Markup Checker & Open Graph Meta Tag Validator (poeggliankfnfbldfjkgnohnbchjjoli)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/poeggliankfnfbldfjkgnohnbchjjoli},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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