SpeedVitals

Perform Web Vitals & TTFB Test on Multiple Locations & Devices
What is SpeedVitals?
SpeedVitals is an Edge add-on that allows you to perform comprehensive Web Vitals Speed Test & TTFB Test on any website directly from your browser. It is a free web performance measurement tool that uses Lighthouse for lab data measurement and CrUX API for field data. It provides detailed information about various website performance metrics, test your website's performance on over 30 devices and measure TTFB from 40 locations globally. It also offers advanced features like Resource Graphs, Waterfall Chart, Layout Shift Visualizer and Code Coverage for an all-round performance evaluation.
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Add-on stats

Users: 710 ▲ 10
Version: 2.4.1 (Last updated: 2023-08-14)
Creation date: 2022-02-22
Risk impact: Low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
Permissions:
  • activeTab
  • storage
  • cookies
Host permissions:
  • https://app.speedvitals.com/
Size: 40.20K

Ranking

# 5358 ▼ 1
Other rankings
#1277 in Developer tools ▲

Other platforms

SpeedVitals (v2.4.1)
5.00 (9) 1,000
Not available on Firefox
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Add-on summary

Analyze keywords

SpeedVitals Extension helps you perform the Web Vitals Speed Test & TTFB Test on any website directly from your browser.

SpeedVitals is a free Web Performance measurement tool that uses Lighthouse to measure Lab Data and CrUX API to measure field data.

Key Features

  1. Web Vitals: Measure all the Web Vitals such as First Contentful Paint (FCP), Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), First Contentful Paint (FCP), Time to Interactive (TTI), and Speed Index (SI). We also measure some other metrics like Server Response Time (TTFB) and Web Page Size.

  2. TTFB Testing: Measure TTFB (Time to First Byte) from 40 locations across the globe.

  3. Multi-Device Testing: Measure your Website's Performance across more than 30 devices having different Form Factors

  4. Multi-Location Testing: Run Core Web Vitals test on more than 35 locations across the globe including United States, United Kingdom, India, Japan, Australia, Germany, Brazil, South Korea, and more.

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Add-on safety

Risk impact

SpeedVitals requires very minimum permissions.

Risk likelihood

SpeedVitals has earned a fairly good reputation and likely can be trusted.

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