SpeedVitals

Perform Web Vitals & TTFB Test on Multiple Locations & Devices

Users1K

Rating4.6

Reviews11

Manifest versionV3

7-day growth0

7-day growth rate0%

Preview

SpeedVitals Media preview

6 assets

Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

Rating trend

30-day rating change

Track rating movement over time to see whether quality signals remain stable.

30-day rating change

Start

4.64

Latest

4.64

30-day rating change

0.00

2026年5月29日2026年6月4日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat

00%

7-day growthFlat

00%

30-day growthFlat

00%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version2.4.1

ManifestV3

Size37.18KiB

Languages1English (United States)

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

SpeedVitals Extension helps you perform the Web Vitals Speed Test and 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 Chrome's User Experience API (CrUX) 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

Reviews