Improve Your Mobile Site's Core Web Vitals


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Introduction:

Are you curious about what it takes to pass a Core Web Vitals assessment?

Or how well your website (or industry as a whole) is prepared for the June 2021 Core Algorithm Update?

This curated list of the latest Core Web Vitals statistics has all of the information you need, and will be updated as more information becomes available.

Largest Contentful Paint Statistics

  1. 25%. Largest Contentful Paint accounts for 25% of your Google Lighthouse Performance Score.
  1. 2.5 seconds. Aim for a Largest Contentful Paint under 2.5 seconds.
  1. 43% and 44%. 43% of mobile URLs and 44% of desktop URLs pass the Largest Contentful Paint benchmark of 2.5 seconds.
  1. 7.05. According to research, the average B2B website has a mobile Largest Contentful Paint score of 7.05s, well above the 2.5s score needed to receive a passing grade.
  1. 9.17. According to research, the average retail website has a mobile Largest Contentful Paint score of 9.17s, well above the 2.5s score needed to receive a passing grade.

First Input Delay Statistics

  1. 25%. First Input Delay (Total Blocking Time) accounts for 25% of your Google Lighthouse Performance Score.
  1. 100 milliseconds. Aim for a First Input Delay under 100 milliseconds.
  1. 89% and 99%. 89% of mobile URLs and 99% of desktop URLs meet the 100 millisecond First Input Delay benchmark.

Cumulative Layout Shift Statistics

  1. 5%. Cumulative Layout Shift accounts for 5% of your Google Lighthouse Performance Score.
  1. .1. Aim for a Cumulative Layout Shift under .1.
  1. 46% and 47%. In this research, 46% of mobile URLs and 47% of desktop URLs pass the Cumulative Layout Shift benchmark of .1.

General Core Web Vitals Statistics

  1. 75th percentile. A web page only passes the Core Web Vitals assessment if it meets the recommended targets at the 75th percentile for all 3 metrics.
  1. 28 days. When a change is made to improve Google Core Web Vitals, it will be at least 28 days before that change is picked up by Google’s testing tools.
  1. 12%. According to this research, only 12% of mobile sites are optimized to pass the Core Web Vitals assessment right now.
  1. 13%. According to this research, only 13% of desktop sites are optimized to pass the Core Web Vitals assessment right now.
  1. 84%. According to this research, 84% of the URLs ranking in the top-10 of US mobile SERPs scored with “needs improvement” or “poor”.
  1. 10%. URLs in position 1 are 10% more likely to pass a Core Web Vitals assessment than URLs in position 9.
  1. 2%. From position 1 to position 5, there’s a 2% decrease in pass rate of the Core Web Vitals assessment for each position.
  1. 10% and 11%. From position 5 to position 9, there’s a 10% decrease in likeliness on mobile and an 11% decrease in likeliness on desktop to pass a Core Web Vitals assessment.

Industry Core Web Vitals Statistics

  1. 22 and 24%. Users are 22% less likely to bounce on news sites and 24% less likely to bounce on shopping sites when a page meets all the Core Web Vitals thresholds.
  1. 24%. According to this research, 24% of URLs in the finance sector would receive a ranking boost from passing the Core Web Vitals assessment.
  1. 13%. According to this research, 13% of URLs in the B2B sector would receive a ranking boost from passing the Core Web Vitals assessment.
  1. 5%. According to this research, 5% of URLs in the education sector would receive a ranking boost from passing the Core Web Vitals assessment.
  1. 87%. A study of 6,500 US Ecommerce sites revealed that 87% would fail a Core Web Vitals assessment today. 30% would pass for Cumulative Layout Shift, 38% would pass for Largest Contentful Paint, and 93% would pass First Input Delay.
  1. 32%. According to this research, only 32% of US websites would pass a Core Web Vitals assessment right now.

Frequently Asked Questions

  • Passing the Core Web Vitals assessment means meeting the recommended thresholds for Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift. These metrics are essential for a good user experience and are increasingly important for SEO rankings.

  • A Core Web Vitals list includes Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS). These metrics evaluate the visual loading, interactivity, and visual stability of a page, respectively.

  • Huckabuy's page on Core Web Vitals statistics provides an in-depth study of the current benchmarks, industry preparedness, and insights on how to meet Core Web Vitals thresholds.

  • You can test your website's Core Web Vitals metrics by using Google's Lighthouse or PageSpeed Insights tools. These will provide scores for LCP, FID, and CLS, and suggest improvements.

  • Google's Core Web Vitals thresholds are under 2.5 seconds for Largest Contentful Paint, under 100 milliseconds for First Input Delay, and under 0.1 for Cumulative Layout Shift. Meeting these thresholds can help improve user experience and SEO rankings.

  • Passing the Core Web Vitals is crucial for SEO as it signifies a website provides a high-quality user experience. Improved user experience can lead to better engagement, lower bounce rates, and higher search rankings.

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    Chromium Blog
    Today’s The Fast and the Curious post explores how Core Web Vitals saved Chrome users more than 10,000 Years of waiting for web pages to load in 2023 (across Chrome desktop and Android) by quantifying the experience of sites and identifying opportunities to make improvements.In
    Core Web Vitals: A Leap Towards Enhanced Web Performance
    As we delve into the intricacies of Core Web Vitals, it's fascinating to see how the Chromium Blog highlights the monumental impact these metrics...
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    addyosmani.com
    Core Web Vitals measure user experience by assessing a website’s performance. This write-up is a history of how Core Web Vitals came to be based on my recollections from our work on it at Google from 2014 onwards.
    Bridging the Gap: Core Web Vitals in Practice and History
    As we delve into the intricacies of Core Web Vitals on our webpage, it's enlightening to reflect on the historical context provided by Addy...
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    www.30degreesnorth.com
    Updated February 2023In the race for higher organic search rankings, every company with a web presence is trying to please Google and figure out the algorithm being used to rank their website.
    Enhancing Your Website's Performance with Core Web Vitals Insights
    As we delve into the intricacies of Core Web Vitals, it's clear that understanding and optimizing these metrics is crucial for improving your website's...