Core Web Vitals are Google's Newest Metric for Measuring Site Performance

87% of eCommerce Websites Fail Google’s Core Web Vitals.

We will conduct a free Performance Audit on your site and explain your current Core Web Vital Scores and how to pass Google’s new metrics.

Why Core Web Vitals Matter for Performance Optimization

Google is moving away from Page Speed Insights and Lighthouse scores for their ranking algorithm and replacing them with Core Web Vitals in 2021.

Google’s goal with measuring Core Web Vitals is to quantify User Experience (UX). Keeping your website visitors happy will keep them on your website longer and increase conversions.

The Page Experience Update will change Google’s algorithm to rank sites that pass Core Web Vitals higher than sites that fail.

On top of the obvious benefit of placing higher in Google Search Results Pages (SERP)s, by passing Core Web Vitals, your website’s usability and user friendliness will increase, resulting in higher conversion rates and more sales.

Google’s Page Experience update will use Core Web Vitals in the ranking algorithm. Failing Core Web Vitals will cause a visible indication of a website’s speed on Google, and potentially lower Search Engine Rank Position. Resulting in lower traffic, and ultimately lower revenue.

Over the years Google has provided a number of tools to measure and report on website performance. As part of these efforts the search giant launched mobile-first indexing in 2016, Accelerate Mobile Pages (AMP) in 2017, and the Speed Update in 2019. Now the Page Experience update will change the ranking algorithm so that sites that are slow to load or become interactive will rank lower than they currently do. This update will include a visible indication of a website’s speed on Google SERP.

Layer0 Powers the World's Fastest Websites

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Request a Free Optimization Consultation

Curious About Core Web Vitals and opportunities for improving site performance?

Request a customized optimization audit and we will do an in depth report on your current website and provide you with the following:

  • Performance Audit of Your Website
    Find out exactly where you stand with Google’s new metrics, and how to improve.
  • Concrete Steps to Improve Your Score
    We will provide you real, actionable, steps to improve your scores and site speed.
  • Competitor Scores & Speeds
    We will provide you with the scores of your competitors to see how you match up.
  • Free Consultation with Layer0
    Layer0 is infrastructure to run your website frontend and load in less .5 seconds.
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How Layer0 helps optimize speed for each Core Web Vitals metric

Large, complex eCommerce websites with millions of pages, 1000s of SKUs, A/B tests and personalization, dynamic pricing and real-time inventory lookups can achieve sub-seconds speeds with Layer0. In fact, Layer0 is the only platform on the market to guarantee sub-500ms median LCPs.

On Layer0, content instantly renders, or paints, on a page and becomes immediately tappable due to our application-aware, JavaScript configurable CDN called EdgeJS. It utilizes advanced predictive prefetching along with edge computing to stream dynamic content (JSON/SSR/HTML) from the edge into the user’s browser—before it’s even requested. This keeps sites 5 seconds ahead of shoppers’ taps at all times.

Websites on Layer0 have a 95%+ cache hit ratio for HTML and JSON data at the edge, while sites on traditional CDNs average at 6%. This is a huge difference in delivering the content that typically makes a website slow.

How the Core Web Vitals are measured

Core Web Vitals are measured through the Chrome User Experience Report (CrUX), which is based on the actual experiences of people browsing the web (also known as RUM). Each CWV uses different thresholds to be considered good, needing improvement, or poor. Although the thresholds vary for each metric, they all have one thing in common—Google uses the 75th percentile when classifying pages into these groups. In other words, a page must hit the “good” for at least 75% of users to be considered to provide a good user experience for a particular metric. Learn more about how Core Web Vitals are measured on our blog.

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