Web Vitals

Google, Mountain View, California, United States

The Web Vitals library is a lightweight JavaScript library for measuring Core Web Vitals and related performance metrics on real users in the browser.

It is a modular package of about 2 KB that exposes functions for metrics such as CLS, LCP, INP, FCP, and TTFB, uses the PerformanceObserver API with buffered entries to capture data even after page load, and supports integration with Google Analytics and Google Tag Manager.

According to our data, Web Vitals ranks 96th among the JavaScript libraries we track.
It has 0.4% of the JavaScript library market share and is detected on 0.3% of all websites.

It appears on 5.8% of all websites in Indonesia, 3.3% in Argentina, and 1.3% in Singapore.

Statistics based on 4M+ analyzed websites. About this data

💸 Pricing

Web Vitals is available for free.

Free ✔️ Open source

📊 Rankings and Market Share

🏆 Web Vitals Awards

⚡ Sites Using Web Vitals

We have data on 11,712 websites that use the Web Vitals JavaScript library. Here is a list of some of the top ranked ones.

The highest rated site using Web Vitals is ep**ner.com.

#WebsiteRankCountryLanguage
1 ep**ner.com #157 Netherlands English
2 usercentrics.com #249 Germany English
3 olx.com.br #326 Brazil Portuguese
4 interia.pl #432 Poland Polish
5 expressen.se #441 Sweden Swedish
6 goodreturns.in #645 India American English
7 gazeta.pl #1,138 Poland Polish
8 cbssports.com #1,352 United States English
9 ubereats.com #1,421 United States American English
10 ansa.it #1,431 Italy Italian
11 nymag.com #1,603 United States English
12 kobo.com #1,914 Japan American English
13 oneindia.com #1,936 India English
14 progressive.com #2,035 United States English
15 ilmessaggero.it #2,161 Italy Italian
16 meinbezirk.at #2,260 Austria German
17 krone.at #2,325 Austria German
18 cmu.edu #2,353 United States English
19 wyborcza.pl #2,413 Poland Polish
20 vulture.com #2,540 United States English

📈 Usage Statistics

Most of the sites that use Web Vitals:

Most of the sites using Web Vitals are from the United States, Indonesia, and Brazil.

  • United States 29.9%
  • Indonesia 22%
  • Brazil 7.1%
  • Argentina 6.3%
  • United Kingdom 3.5%
  • Germany 2.5%
  • Singapore 2.1%
  • Italy 1.7%
  • India 1.6%
  • Other 23.3%

Most Web Vitals users speak English, Indonesian, or Spanish.

  • English 44.5%
  • Indonesian 25.3%
  • Spanish 8.8%
  • Portuguese 6.6%
  • German 2.6%
  • French 1.7%
  • Italian 1.5%
  • Polish 1.1%
  • Dutch 1%
  • Other 6.9%

The Web Vitals JavaScript library is especially popular on .com, .org, and .com.br top-level domains.

  • .com 58.4%
  • .org 5.8%
  • .com.br 5.5%
  • .com.ar 4.4%
  • .net 3.4%
  • .de 1.6%
  • .co.uk 1.5%
  • .it 1.1%
  • .com.au 1.1%
  • Other 17.2%

The primary market segments for websites utilizing Web Vitals include motor vehicles, online shopping, and business.

  • Motor Vehicles 14.1%
  • Online Shopping 13.4%
  • Business 12.2%
  • Marketing/Merchandising 10.9%
  • Blogs/Wiki 7.3%
  • Internet Services 4.2%
  • Education/Reference 3.6%
  • General News 3.3%
  • Fashion/Beauty 3.1%
  • Other 27.9%

🔢 Web Vitals Versions

The most popular version of Web Vitals is 3.5, used by 62.7% of sites where versions were detected. In addition, 9.8% of sites use Web Vitals 3, and 8.6% use Web Vitals 5.0.

  • 3.5 62.7%
  • 3 9.8%
  • 5.0 8.6%
  • 4 3.6%
  • 4.2 3.3%
  • 0.2 3.2%
  • 3.1 2.6%
  • 2.1 1.6%
  • 6.0 1%
  • Other 3.6%

🕵️ Similar Technologies

These are some of the best Web Vitals alternatives.

RankName
4
Akamai mPulse
Cambridge, Massachusetts, United States

A real user monitoring solution that collects performance and user experience data directly from visitors' browsers to measure how websites and applications behave in real conditions.

$$$
6
Datadog
New York, United States

A SaaS monitoring and security platform for infrastructure and applications that collects and correlates metrics, logs, and traces across cloud and on-premises systems.

Free$18+/host/month
11
AEM RUM
San Jose, California, United States

A real-time user monitoring service that captures Core Web Vitals data for websites built on Adobe Experience Manager.
15
SpeedCurve
Auckland, New Zealand

A website performance monitoring platform that combines synthetic testing, real user monitoring, Lighthouse audits, and Core Web Vitals tracking to measure and improve front-end performance.

$1+/month
18
DebugBear
Norwich, Norfolk, United Kingdom

A website monitoring tool that monitors page speed and Core Web Vitals.

$125+/month

🆚 Compare Alternatives

Compare Web Vitals to…

💬 Frequently Asked Questions

What is the company behind Web Vitals?

Web Vitals is owned by Google LLC, headquartered in Mountain View, California, United States.

Can I use Web Vitals for free?

Yes, it is a free JavaScript library.

Which country uses Web Vitals the most?

The majority of Web Vitals users are from the United States.

Who uses Web Vitals?

According to our data, Web Vitals is used on thousands of sites, including such established ones as usercentrics.com, olx.com.br, and interia.pl.

Is Web Vitals used on government websites?

In total, we found Web Vitals on 5 government sites in the United States.

Do academic institutions use Web Vitals?

Yes. The most prominent of these is cmu.edu. Overall, we know of 8 academic websites in the United States that use Web Vitals.

How does Web Vitals compare to the competition?

Web Vitals is a moderately popular JavaScript library, ranking ahead of 221 other JavaScript libraries we track.

What are the alternatives to Web Vitals?

Alternatives and possible competitors to Web Vitals may include Akamai mPulse, Datadog, and AEM RUM.

👉 See Also

🗃️ About This Data