SpeedVitals

Perform Web Vitals Test & TTFB Test on Multiple Locations & Devices. SpeedVitals Extension helps measure the performance of a website directly from that website itself.

SpeedVitals - Web Performance Measurement Tool

SpeedVitals is a free Firefox add-on that uses Lighthouse and Chrome's User Experience API to measure web performance. It provides insights on Web Vitals, TTFB, multi-device testing, multi-location testing, field data, resource graphs, waterfall charts, layout shift visualization, code coverage, and speed optimization tips.

Add-on stats

Manifest V2
Daily users: 384
-6
Rating: 3.00
(4)
Version: 2.4.1 (Last updated: 2023-06-28)
Version code: 5582076
Creation date: 2021-10-15
Weekly download count: 10
Firefox on Android: No
Permissions:
  • activeTab
  • storage
  • cookies
  • https://*.speedvitals.com/
  • https://*.speedvitals-dev.com/
Size: 47.36K
Full description: See detailed description

Other platforms

SpeedVitals (v2.4.1)
1,000 5.00 (9)
Not available on Android
Not available on Edge

User reviews


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Add-on safety

Risk impact

SpeedVitals requires very minimum permissions.

Risk impact analysis details
  • Low Request access to the following domains: speedvitals.com, speedvitals-dev.com
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of SpeedVitals. 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.
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  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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