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 is available to install from Firefox Browser Add-ons and for download from this page. It has 375 active users The latest version is 2.4.1, and it was published 2 years ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of SpeedVitals here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
Version Download Size Download count Timestamp
2.4.1 XPI · ZIP · Source code 47.36K 0 2023-06-28
2.3.0 Paid users only 44.95K 0 2023-02-08
2.2.0 Paid users only 32.68K 0 2022-02-22

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  1. Download the SpeedVitals ZIP file
  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the SpeedVitals ZIP file from step 1. SpeedVitals is now installed on your browser.