Extension Tracker

Quantcast - Tag Inspector

2,000 users Rated 4.82 from 11 ratings Last updated 18 Jan 2025

By Quantcast Tag Inspector Chrome Extension Live in the Chrome Web Store ffjncjpkoanpjjmcdonkhfammlhfapll Last checked 27 Sep 2026, 01:02 UTC

The listing

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

Validate your Measure and Consent tags, and see a summary of your site's audienceSummary from the listing
Developer
Quantcast Tag Inspector Chrome Extension
Category
Productivity › Developer Tools
First published
13 Dec 2013
Last updated
18 Jan 2025
Version
2.0.23
Size
379 KiB
Minimum Chrome
88
Languages
1 language

English

Website
quantcast.com
Support page
https://help.quantcast.com/hc/en-us/articles/360041276194-Inspect-Your-Tag
Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Peek ↗
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
2026-09-272,0004.8211
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#14,553
by users, of 264,702 extensions
In its category
#1,275
of 27,615 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
  • *://*.quantcast.com/quantcast.com and its subdomains
  • *://*.quantserve.com/quantserve.com and its subdomains
  • <all_urls>Every website
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs
  • webNavigationFollow your browsing, page by page
  • webRequestWatch network requests on the sites it can reach

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 27 Sep 2026, 01:02 UTC; next check around 2 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Quantcast - Tag Inspector” (ffjncjpkoanpjjmcdonkhfammlhfapll). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ffjncjpkoanpjjmcdonkhfammlhfapll. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_ffjncjpkoanpjjmcdonkhfammlhfapll,
  title   = {Quantcast - Tag Inspector (ffjncjpkoanpjjmcdonkhfammlhfapll)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ffjncjpkoanpjjmcdonkhfammlhfapll},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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