Get the page load times of any web page! app.telemetry Page Speed Monitor shows offset and duration of each step during the page load based on W3C navigation timing.

app.telemetry Page Speed Monitor: Firefox Add-On
app.telemetry Page Speed Monitor is a Firefox add-on designed to provide detailed insights into page load times. Upon accessing a page, the add-on displays the load time in the menu bar, while more comprehensive load time breakdown based on each stage of the W3C navigation timing can be viewed with just a click.
Add-on stats
Manifest V2
Weekly download count: 7
Firefox on Android: Yes
Permissions:
- tabs
- http://*/*
- https://*/*
Size: 33.28K
Full description: See detailed description
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
User reviews
Pros
- Shows internet speed and stability clearly
- Great alternative for Extended Statusbar that is not supported on Firefox 57
- Simple and fast functionality
Cons
- Lacks user customization options, such as displaying page load speed in seconds
- Invasive permissions required for data access
- Doesn't work with privacy settings like resistFingerprinting
- Difficult to determine when page loading is complete
Most mentioned
- Need for more customization options in settings
- Concerns over invasive permissions
- Difficulty tracking page load completion
User reviews
by 远离中共邪教快退出党团队, 2025-02-10
It works, but it would be better to show the speed at which the current page is loading. And even better, it could be selected in the settings.
by Firefox user 18705302, 2024-11-28
欢迎光临翻墙部落!
打开天窗,听听外面的声音!
穿越迷雾,寻找人生真谛!
https://github.com/osurf/jzdy/blob/master/README.md?
by 翻墙部落, 2022-12-27
Add-on safety
Risk impact
app.telemetry Page Speed Monitor requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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- Low ******* ****** ** *** ********* ********
Risk likelihood
app.telemetry Page Speed Monitor has earned a fairly good reputation and likely can be trusted.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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