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.
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The Service Worker Detector Chrome extension enables users to identify if a website registers a Service Worker by inspecting the navigator.serviceWorker.controller property. It also parses the Web App Manifest associated with the site. This lightweight and efficient tool is perfect for developers and testers working on progressive web apps (PWAs) or those analyzing site capabilities related to offline availability and caching strategies. With a simple interface, it facilitates rapid detection and manifest analysis without needing to dive deep into developer tools.

Manifest V2 Developer Tools Productivity Programming
By:
Thomas Steiner
Daily users:
136
Rating:
4.86
(7)
Version:
2.4.0 Last updated: 2020-11-03
Version code:
5127280
Creation date:
2017-04-21
Risk:
Moderate risk impact High risk likelihood
Permissions:
  • activeTab
Size:
206.47K
Email:
st*****@gmail.com
URLs:
Website
Source:
Firefox Browser Add-ons
Updated:
6 days ago

Other platforms

Service Worker Detector (v2.4.1)
1,000+ 3.40 (5)

User reviews

by 远离中共邪教快退出党团队, 2025-03-31
by 远离中共邪教快退出党团队, 2025-03-01
by Björn 'Idrinth' Büttner, 2023-03-06
View all user reviews ›

Extension 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.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood

Service Worker Detector may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Risk likelihood analysis details
  • Critical This extension is not longer available in the store
Upgrade to see full risk analysis details

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