User Agent Sentry icon

User Agent Sentry

by Marketing Engineers B.V. · marketingengineers.nl · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 18 Oct 2026

Appends MarketingEngineers/1.0 to outgoing User-Agent headers and navigator.userAgent for traffic filtering.

Users
5
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#273K
#227K among extensions
Version
0.1
updated 15 Jun 2026

Users

monthly, 4 months
025Jun 2026Sep 2026Oct 2026
Latest, 18 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 4 months
001Jun 2026Sep 2026Oct 2026
Latest, 18 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About User Agent Sentry

A lightweight, zero-overhead User-Agent override engine that dynamically appends custom telemetry tokens to network headers and navigator.userAgent for unified analytics filtering.

Growth

WindowUsersChangeRatingsRating
7 days+1+25.0%00.00
30 days+1+25.0%00.00

Version history

1 versions recorded
0.115 Jun 2026

Details

Category
Tools
First seen
15 Jun 2026
Size
32 KB
Languages
en-US
Pricing
Free
Privacy policy
marketingengineers.nl
Support
github.com
Extension ID
fcabmcjelcokaljheoliddnfgbihfjln

Permissions and risk

Moderate riskimpact 2, likelihood 3
Permissions
declarativeNetRequeststoragescriptingactiveTab
Site access
<all_urls>
Can read and change data on every website you visit.

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