Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.

Performance-Analyser promo image
What is Performance-Analyser?

Performance-Analyser is a Firefox add-on that allows users to analyze the performance of the website in the current tab. It provides insights into requests by type, domain, load times, marks, and more. It is a mini live version of WebPageTest.

Users: 324 ▲ 4
Rating: 1.50 (2)
Version: 1.7.1 (Last updated: 2020-12-07)
Creation date: 2015-02-01
Weekly download count: 13
Firefox on Android: No
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • activeTab
Size: 34.56K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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Performance-Analyser helps to analyze the current page through the Resource, Navigation and User Timing APIs - see requests by type, domain, load times, marks and more - instantly.

Performance-Analyser is the Firefox Addon version of Performance-Bookmarklet.


User reviews
Gan Jing World is a clean, curated universe and a dynamic, overlapping network of integrated platforms and services. ==>
by GanJingWorld, 2022-12-23
View all user reviews
Risk impact

Performance-Analyser is safe to use. It does not request any sensitive permissions.

Risk likelihood

Performance-Analyser has earned a fairly good reputation and likely can be trusted.

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