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SpeedVitals icon

SpeedVitals

Perform Web Vitals & TTFB Test on Multiple Locations & Devices

Users1KCurrent public install base
Rating4.6Store average score
Reviews11Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

SpeedVitals Media preview

6 assets
Trend

User growth trend

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User Growth Over Time

1K1K1K1K1K2026年7月13日2026年7月17日2026年7月19日Latest: 1K
Rating trend

7-day rating trend

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7-day rating change

Start
4.64
Latest
4.64
7-day rating change
0.00
4.544.594.644.694.742026年7月13日2026年7月17日2026年7月19日Latest: 4.64
2026年7月13日2026年7月19日
Growth overview

Daily, weekly, and monthly growth

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1-day growthFlat
00%
7-day growthFlat
00%
30-day growthNo data
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Technical snapshot

Version, languages, and crawl freshness

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Version2.4.1
ManifestV3
Size37.18KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview

Product summary

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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

Recent review snapshot

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Store average score4.6Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.5Average computed only from synced review bodies below
Reviews with text8Synced review bodies
Total ratings / reviews11Chrome Web Store public rating/review count

Store average score: 4.6. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★
7
4★
0
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1★
1
Ruslan Julbarissow2025年10月30日
1

So the functionality is a redirect to your site? Useless af..

Version 2.4.1Language en
0 helpful · 1 not helpful
Mending ID2023年1月18日
5

nice tools, support indonesia server

Language en
1 helpful · 0 not helpful
Bug Cache2022年11月17日
5

Good, they have indonesia server

Language en
1 helpful · 0 not helpful
Samson Lin2021年12月4日
5

最棒的台灣網路速度檢測 GOOD

Language zh
數聚達行銷事務所2021年12月4日
5

支援台灣 非常棒!

Language zh
Elvio Gonzalez2021年10月31日
5

Thanks for adding the TTFB test, helps a lot to compare the performance in different countries. Checking the Lab Data, Field data and Waterfall all in one place helps save a lot of time and prevents the hassle of using multiple speed test tools.

Language en
2 helpful · 0 not helpful
masvil2021年10月23日
5

Great tool to check websites' performance.

Language en
2 helpful · 0 not helpful
Brandon Collins2021年9月28日
5

Been using it for a couple of days and it works as expected. It has starting to become my new favourite Web Vitals testing tool

Language en
6 helpful · 0 not helpful
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