Extension Tracker

Mail Seen - Unlimited Email Tracker for Yahoo

1,000 users Rated 4.52 from 21 ratings Last updated 14 Jun 2025

By Mobile Internet Limited Live in the Chrome Web Store jpgfcabgippppbekoebfkkfnglokabcd Last checked 27 Sep 2026, 03:59 UTC

The listing

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

Know when your emails are opened!Summary from the listing
Developer
Mobile Internet Limited
Trader status
Declared a trader under EU law
Category
Productivity › Communication
First published
14 Feb 2025
Last updated
14 Jun 2025
Version
1.6
Size
183 KiB
Minimum Chrome
88
Languages
1 language

English

Website
mailseen.com
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
2026-09-271,0004.5221
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#17,737
by users, of 264,254 extensions
In its category
#286
of 6,861 in Communication

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

Sites
  • https://authapi-f6o7ittoia-uc.a.run.app/authapi-f6o7ittoia-uc.a.run.app
  • https://mail.yahoo.com/mail.yahoo.com
Sites where it runs scripts
  • https://mail.yahoo.com/*mail.yahoo.com
Browser features
  • declarativeNetRequestBlock or change network requests, using rules
  • declarativeNetRequestFeedbackSee which of its network rules matched

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Mail Seen - Unlimited Email Tracker for Gmail6,000 4.71190 Workflow & Planning
Mail Seen - Unlimited Email Tracker for Outlook378 5.006 Communication
All 3 extensions by Mobile Internet Limited →

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, 03:59 UTC; next check around 29 Sep 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Mail Seen - Unlimited Email Tracker for Yahoo” (jpgfcabgippppbekoebfkkfnglokabcd). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/jpgfcabgippppbekoebfkkfnglokabcd. Accessed 2026-09-27.
BibTeX
@misc{extensiontracker_jpgfcabgippppbekoebfkkfnglokabcd,
  title   = {Mail Seen - Unlimited Email Tracker for Yahoo (jpgfcabgippppbekoebfkkfnglokabcd)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/jpgfcabgippppbekoebfkkfnglokabcd},
  urldate = {2026-09-27}
}

The data is free to reuse under CC BY 4.0.

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