Core Web Vitals: What Is It? & How to Improve It?

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Optimizing a website for a better user experience is a long-term success because Google going to use the page experience as an important ranking factor.

No matter you are a blogger, marketer, or developer Core Web Vitals can help you to deliver a great user experience on the web.

In this article we’ll cover everything you need to know about core web vitals, We’ll tell you what they are, how to test them, and how to improve your site’s scores to create a better user experience.

What Are Core Web Vitals?

Core Web Vitals are the most important metrics that you should be tracking for your website. Core Web Vitals represent the foundation or core of what makes a successful website. Core Web Vitals are comprised of four major components:

  • User Experience
  • Website Speed
  • Mobile Friendliness
  • Security.

Core Web Vitals make up three aspects of the user experience metrics: Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS).

Core Web Vitals

Image source: web.dev.

In short Core Web Vitals is a big part of the combination signals that Google use as “Page Experience” ranking factors those includes:

  • Core Web Vitals itself
  • Mobile Friendliness
  • HTTPS
  • Secure Browsing
  • No Intrusive Interstitials
core web vitals signals combinations

You can quickly see the metric of your site with Core Web Vitals reports in Google Search Console. The reports will show you if your pages are categorized as “poor URLs,” “URLs need improvement,” or “good URLs.”

Core Web Vitals reports in Search Console

The reports divide into two options “Mobile” and “Desktop”, all the reports data was collected from the Chrome User Experience (also know as CrUX).

Inside the reports, you’ll find more details about the particular issues, and the whole list of the affected pages.

Core web vitals issues report

Why are Core Web Vitals Important?

Google plans to use Core Web Vitals as a ranking factor and will be penalizing websites that do not meet their guidelines. Core Web Vital’s metrics are also important for ROI – they correlate with higher customer satisfaction rates which lead to increased conversion rates.

You should remember that there are approximately 200 ranking factors so page experience is one of those factors.

Page Experience ranking factors

In fact, by the announcement and the core web vitals its self. We could expect that it will make up the biggest chunk of your page experience score.

It important to point your site with a great score of page experience, but keep in mind that core web vitals alone won’t magically push your content to #1 spot of Google.

In fact, it one of the most important factors among others (200 ranking factors) that Google use to rank  a site in the search. 

page experience ranking

However, it really matters between multiple contents, when it comes to rank a content position in a search.

Now you have know what are the core web vitals is, and how it important for your site ranking which leading us to steps…

How to Improve Core Web Vitals?

As we had mentioned above that we are going to cover everything about core web vitals such as how to improve them, now you come across the place.

It’s the time for you to learn how to start improve core web vitals score to getting great user experience for the user and search engine.

Largest Contentful Paint (LCP).

The largest contentful paint is the metric that measures the time it takes for a webpage to paint content on a user’s screen from the first time it loads.

LCP measurement is different than other page speed metric like time to first byte (TTFB) Because it only measure the paint of full content by user viewport, the remain content are not measured.

LCP Page Experience

What is LCP good score? The best practice of optimizing your webpage for better score of LCP it should have to load 2.50 second or less than that and the over of that should be a need to improve or a poor optimized, see the image below.

largest contentful paint

To measure the LCP of your page you need to use tool that helps you improve the score and details things impact your page loading and show what make your site slow. You can use Google PageSpeed Insight to measure you LCP and others web vitals metric.

How to improve LCP

After you do the test and see the times show higher than two second that your LCP is a Poor optimized and need to be fix, It can be cause many reason that make it slow and I will show you how to improve.

How to Improve LCP?

So here are the commons issues that will impact your LCP score that Google PageSpeed Insight (PSI) recommendation addressed and how you can take action to fix it.

PSI RECOMMENDATION ADDRESSED

HOW TO IMPROVE? 

  • Reduce server response times (TTFB)

  • Keep request counts low and transfer sizes small

  • Serve static assets with an efficient cache policy

Improve the Time to First Byte
and Reduce Server Response Time

  • Eliminate render-blocking resources

  • Reduce the impact of third party code

  • Minimize main-thread work

Defer JavaScript

  • Serve images in next-gen formats

  • Properly size images

  • Efficiently encode images

  • Avoid enormous network payloads

Optimize Your Images

  • Enable text compression

Compress Text Files

  • Serve static assets with an efficient cache policy

  • Enable text compression

Use a CDN

  • Reduce unused Javascript

  • Eliminate render-blocking resources

  • Minimize main-thread work

  • Reduce javascript execution time

Remove Unused JavaScript

  • Reduce unused CSS

Remove Unused CSS

  • Eliminate render-blocking resources

  • Minimize main-thread work

  • Avoid chaining critical requests

Defer Non-Critical CSS and Inline Critical CSS

  • Minify CSS

  • Minify JS

  • Avoid enormous network payloads

Minify CSS and JS Files

  • Preload key requests

Use Preload for Critical Assets

  • Reduce server response times (TTFB)

  • Preconnect to required origins

Establish Third-party Connections Early

The best practice of optimize your website for a fast LCP and better user experience of this factors you should following these:

First Input Delay (FID)

First Input Delay is the second factors of core web vitals that use to measure the time of the user first interact on site (i.e: click on the link, or tap on a button) to the time that browser actually begin the processing or response to those interactions.

FID core web vitals

What is a good score of FID? the best practice of a good score of FID is the to response the interaction 100 milliseconds or less than that, or 300 milliseconds is need to improvement and about that is a poor optimized and need to take action of fixing it.

How to improve FID? 

First you need to take looks and see what Google PageSpeed Insight recommend to improve, but here I will bring the commons issues that make your FID get poor score.

PSI RECOMMENDATION ADDRESSED

HOW TO IMPROVE? 

  • Reduce javascript execution time

  • Minimize main-thread work

Delay the JS Execution Time Until User Interaction.

  • Eliminate render-blocking resources

  • Reduce the impact of third party code

  • Minimize main-thread work

Defer JavaScript

  • Enable text compression

Compress Text Files

  • Reduce unused Javascript

  • Eliminate render-blocking resources

  • Minimize main-thread work

  • Reduce javascript execution time

Remove Unused JavaScript

  • Reduce unused CSS

Remove unused CSS

  • Eliminate render-blocking resources

  • Avoid chaining critical requests

Defer Non-Critical CSS and Inline Critical CSS

  • Minify JS

  • Avoid enormous network payloads

  • Minimize main thread work

Minify JS Files

The best practice of optimize the FID for a better score and a good user experience to use cache plugin like WP-Rock this plugin will do the thing for you on improving your core web vitals score. 

Disclosures: This article may contains affiliate link mean when you click on the link and purchase product through our link we earn commission ( with no additional cost to you). Which get a me a cup of coffee while creating a content for you.

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