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 103th 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.

Statistics based on 3.5M+ 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 9,149 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 shopify.com.

#WebsiteRankCountryLanguage
1 shopify.com #51 Canada English
2 olx.com.br #316 Brazil Portuguese
3 interia.pl #392 Poland Polish
4 boardgamearena.com #656 France English
5 ubereats.com #1,305 United States American English
6 cbssports.com #1,310 United States English
7 samsclub.com #1,531 United States English
8 kobo.com #1,552 Canada American English
9 ansa.it #1,753 Italy Italian
10 krone.at #1,885 Austria German
11 wyborcza.pl #1,972 Poland Polish
12 nv.ua #2,211 Ukraine Ukrainian
13 check24.de #2,441 Germany German
14 alo.rs #2,452 Serbia Serbian
15 lavoz.com.ar #2,605 Argentina Spanish
16 acehardware.com #2,678 United States English
17 vulture.com #2,702 English
18 thriftbooks.com #2,716 United States English
19 fantacalcio.it #2,748 Italy Italian
20 st.com #2,787 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 28.6%
  • Indonesia 24.9%
  • Brazil 6.5%
  • Argentina 6%
  • United Kingdom 3.7%
  • Singapore 2.8%
  • Germany 2.2%
  • Italy 1.8%
  • France 1.6%
  • Other 21.9%

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

  • Indonesian 36.5%
  • English 36.5%
  • Spanish 8.1%
  • Portuguese 5.8%
  • German 2%
  • Italian 1.6%
  • French 1.2%
  • Polish 1.1%
  • Malay 0.9%
  • Other 6.3%

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

  • .com 58.4%
  • .org 7.1%
  • .com.br 5%
  • .net 4.1%
  • .com.ar 4%
  • .co.uk 1.5%
  • .de 1.2%
  • .it 1.1%
  • .pl 1%
  • Other 16.6%

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

  • Online Shopping 15.1%
  • Business 12.4%
  • Motor Vehicles 11.4%
  • Marketing/Merchandising 10.4%
  • Blogs/Wiki 7.3%
  • Internet Services 3.8%
  • Education/Reference 3.6%
  • Entertainment 3.5%
  • General News 3.4%
  • Other 29.1%

🔢 Web Vitals Versions

The most popular version of Web Vitals is 3.5, used by 59.6% of sites where versions were detected. In addition, 12.8% of sites use Web Vitals 3, and 8.4% use Web Vitals 5.0.

  • 3.5 59.6%
  • 3 12.8%
  • 5.0 8.4%
  • 3.1 5.6%
  • 0.2 4.1%
  • 4.2 2.5%
  • 4 2.2%
  • 2.1 1.5%
  • 4.0 0.8%
  • Other 2.5%

🕵️ Similar Technologies

These are some of the best Web Vitals alternatives.

RankName
3
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
10
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
17
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 shopify.com, olx.com.br, and interia.pl.

Is Web Vitals used on government websites?

In total, we found Web Vitals on 4 government sites in the United States.

Do academic institutions use Web Vitals?

Yes. Overall, we know of 8 academic websites in the United States that use Web Vitals.

How does Web Vitals compare to its competitors?

Web Vitals is a moderately popular JavaScript library, ranking ahead of 208 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