37 Shocking Core Web Vitals Statistics – (Real Research)

Looking For Core Web Vitals Statistics, Here is everything you need for your research

Website Performance has been an important component of website planning and execution. According to a recent study by google which says that 53% of visits are abandoned if a mobile site takes longer than 3 seconds to load.

A lot of third party tools were in the market which were used before to show the performance of the website but recently google launched core web vitals which are now a google ranking factor as well (Publicly Accepted By Google)

Google in 2021, in a Ask Me Anything session on web vitals John Mueller accepted that Web Vitals affect rankings but he also added relevancy still outranks Core Web Vitals.

Muller also said that websites moving from “needs improvement” to “good” may see ranking improvements (Full Info Here)

Google also plans to make page experience an official Google ranking factor in future.

So Core Web Vitals are a must if you want to dominate your competitors but still its not that much important that you won’t rank without them 🙂

Important Core Web Vitals Statistics

Here are handpicked core web vitals statistics backed by real data and tests

  1. What Is Core Web Vitals
  2. Generals Core Web Vitals Statistics
  3. Largest Contentful Paint statistics
  4. First Input Delay Statistics
  5. Cumulative Layout Shift Statistics
  6. Core Web Vitals Case Studies
  7. Sources & References

Disclosure: Please do note that some of the links below are affiliate links. When you purchase anything using my affiliate link, they give me a small commission “at no additional cost to you“, I’ll earn a commission. Know that I only recommend products I’ve personally used and trust.

Is Core Web Vitals A Ranking Factor?

Yes, Core Web Vitals Is a verified ranking factor and it does affect rankings significantly

Which Tool Is Best To Improve Core Web Vitals?

Litespeed Cache, WProcket, with any good CDN will significantly improve core web vitals scores

So are you ready for some nerdy core web vitals stats data

Then, Let’s get started

1. What Is Core Web Vitals

Core Web Vitals is a set of metrics that google has coined and uses them as webpage’s overall user experience which google now call as Page Experience

Core Web Vitals includes three major measurements of user interactions and page speed

  1. Largest Contentful Paint
  2. First Input Delay
  3. Cumulative Layout Shift
what is core web vitals
What Is Core Web Vitals

Here is a detailed guide on Core Web Vitals that explains everything about it

2. Generals Core Web Vitals Statistics

Google Core Web Vitals have just been launched so there is not much data available but google does release its UX reports which help gather such important data for us

  1. In November 2021 out of 8,784,894 origins only 34.1% origins had good Core Web Vitals compared to 31.3% in September 2021 (8,431,699 origins), 30.4% in August, 2021 (8,174,923 origins), while in June 2020 it as only 23.77% (7,103,486 origins)
  2. 70.4% of websites have a good LCP on desktop/laptop but only 60.1% of them have a good LCP score on mobile.
  3. CDN’s have significant impact on improving Overall Core Web Vitals of a website
  4. Studies suggest that mobile web users didn’t tend to keep their attention on the screen for more than 4–8 seconds at a time
  5. Delays in page load decreased satisfaction and user intended to leave the website more often
  6. Speed of a system’s response should be 1 to 4 seconds to grab user’s attention
  7. Delay in visual feedback 70 to 100ms & 100 to 150ms also lead to unsatisfactory user experience
  8. A web page only passes core web vitals test if it matches 75% of recommended targets at all three metrics
  9. Only 12% Of mobile websites & 13% of desktop sites are optimized to pass core web vitals test
  10. 24% of URLs in finance sector, 13% in B2B sector, 5% in education sector, would receive a ranking boost from passing the Core Web Vitals Test
  11. In the UK, just 29% of websites do not pass Core Web Vitals, while In the US, just 53.7% of websites meet the LCP criteria
  12. When FID was below 100ms the users are 24% less likely to abandon page loads
  13. 84% of URL’s ranking on top 10 need core web vitals improvements
  14. South Korea has highest number of of blogs/websites that pass core web vitals tests
  15. Only 22% of websites pass all three metrics but it has significantly increased to around 34% in November 2021
  16. High end managed WordPress hosting (VPS) have better core web vitals
  17. A study on 6500 websites concluded that 87% of them would fail in core web vitals test with 30% passing for CLS, 38% for LCP, 93% for FID
  18. It takes approx. 28 days for before any core web vitals change on your website is picked up by Google’s core web vitals tool

2. Largest Contentful Paint statistics

Here are some of most important and reputed LCP stats

  1. 55.4%, 29.6% & 15.1% of websites have a good, moderate & poor score in Largest Contentful Paint respectively
  2. From top 20000 websites, 66% of pages have good LCP score with 26.4% of websites needing significant improvement.
  3. LCP in UK improved month to month going from 73% to 75% of websites passing the LCP test
  4. Dev’s should Aim for LCP lower than 2.5 seconds, & Only 43% of mobile and 44% of desktop URLs pass this test
  5. An average B2B site has 7.05 seconds LCP, while average retail site with 9.17s which is way above the 2.5s mark

3. First Input Delay Statistics

Here are some of the most important FID stats

  1. First Input Delay is 25% of the overall Core Web Vitals Score
  2. 100ms is the recommended FID benchmark
  3. 89% of mobile & 99% of desktop URLs pass the 100ms FID benchmark
  4. FID is easier from all core web vitals check to pass & get a good score
  5. From top 10000 sites, 99.8% pass FID benchmark on desktop while only 87.4% on mobile

4. Cumulative Layout Shift Statistics

Here are some major CLS statistics listed below

  1. 35.9% of top 1000 websites have poor CLS score & 31 % when test done in controlled 4G environment
  2. CLS counts for 5% of Google’s lighthouse performance score
  3. Good CLS score is less than 1
  4. 46% of mobile & 47% of desktop URLs pass the CLS benchmark

5. Core Web Vitals Case Studies

A lot of case studies have been done for Core Web Vitals SEO but only a few of them can be trusted.

Here are some of the reputed Core Web Vitals ranking factor case studies listed below

  1. https://backlinko.com/core-web-vitals-study (By Backlinko)
  2. https://www.thinkwithgoogle.com/marketing-strategies/app-and-mobile/mobile-page-speed-new-industry-benchmarks/
  3. https://web.dev/vodafone/
  4. https://www.akamai.com/uk/en/about/news/press/2017-press/akamai-releases-spring-2017-state-of-online-retail-performance-report.jsp
  5. https://web.dev/shopping-for-speed-on-ebay/

6. Sources & References:

Here are some of the sources used for this data

  1. Google UX Report
  2. Google Chromium Group
  3. Chromium Blog
  4. Brightedge
  5. Web.dev
  6. Searchenginejournal
  7. Screamingfrog
  8. SEMrush
  9. Web.dev
  10. Searchenginejournal
  11. Searchenginejournal
  12. Web.dev
  13. Web.dev
  14. Screamingfrog


So this was all regarding Core Web Vitals 2021 Stats, Let me know in the comments which stat you like the most

Have you optimized for core web vitals google update, what was biggest roadblock in this process

You can also use web vitals chrome extension to check it for any page

If you need any help just let me know, i would love to help



Shivam Sharma
Shivam Sharma

I’m Shivam Sharma, founder of BloggingCapital.com, an SEO & Finance enthusiast featured in WebsiteBuilderExpert, CEOBlogNation, and Medium. We are an online magazine that helps 7567+ readers per month improve their marketing and web copy.

Articles: 48

Leave a Reply

Your email address will not be published. Required fields are marked *