Service Worker Detector

This extension detects if a website registers a Service Worker by reading the navigator.serviceWorker.controller property. It also parses the Web App Manifest.

Service Worker Detector - Firefox Add-on

Service Worker Detector is a Firefox add-on that detects if a website registers a Service Worker by reading the navigator.serviceWorker.controller property. It also parses the Web App Manifest.

Add-on stats

Manifest V2
Daily users: 148
Rating: 4.88
(8)
Version: 2.4.0 (Last updated: 2020-11-03)
Version code: 5127280
Creation date: 2017-04-21
Weekly download count: 1
Firefox on Android: Yes
Permissions:
  • activeTab
Size: 206.47K
URLs: Website

Other platforms

Service Worker Detector (v2.4.1)
1,000 3.40 (5)
Not available on Android
Not available on Edge

User reviews


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Add-on safety

Risk impact

Service Worker Detector requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Service Worker Detector. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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