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A Technical SEO Guide to Advanced Core Web Vitals

by Alice Jackson Tweet - in SEO

Core Web Vitals

Last updated on December 15th, 2022

Page experience and UX are the two metrics, which Google considers essential for ranking. Core web vitals are specific factors that are essential for the overall site experience. Hence, in this post, we’ve shared the complete technical SEO guide for understanding everything about advanced core web vitals and making the most of it.

The most important vitals for user interaction measurements are – first input delay, largest contentful paint, and cumulative layout shift. These are subsets of different factors, which are part of the Google page experience.

Google also considers other factors that contribute to user experience. It includes – HTTPS, mobile-friendliness, safe browsing, and lack of interstitial popup.

Advanced Core Web Vitals

It is important to understand the technicality of advanced core web vitals. Core vitals measure the metrics based on page insights, which give you a chance for improvement.

Here’s Everything You Need To Know About Advanced Core Web Vitals

01. The Page Experience Update

The page experience ranking will feature the different metrics mentioned above. You have to know about all the issues that may need replacement here.

Page experience evaluated as per URL, and page expertise relies on the cell browser. AMP is not a requirement for top stories carousels, and passing CVW is not a requirement to appear in top stories carousels.

For the URL to have a good score, it should meet some standards –

  • It should have a good standing with the core web vitals report.
  • It should have no issues with the mobile unusability report.
  • The URL served over HTTPS and websites having no safety points.
  • The website with no ad experience points or missing location for the ad.

02. Page Data Available From The Crux

Crux knowledge meets three different standards – opt-in person synchronizing their search historical past, not arranging a sync passphrase, and the person has a utilization static report available.

When testing the web page, the chrome user experience report does not have the real velocity knowledge for the web page at times, and it happens as the crux knowledge is anonymized.

There should be a cheap reporting way without the person being recognized. The various web core vitals use the subject knowledge after utilizing the lab knowledge. You can get lab knowledge from the page velocity insight.

03. Identify issues of crux data grouped by the behavioral pattern in the search console

You need to start with the search console score web vital report to determine pages that require consideration. The knowledge lets you know about the crux knowledge, which lets you know about grouping collective URLs based on conduct patterns.

If you clear up the concern for one page, you’ll possibly do it for all the pages. Templates, on page ingredient and CMS occasion, mostly share these points.

You also need to focus on mobile knowledge as Google now focuses on transferring to the mobile-first index. You can prioritize all your efforts based on URLs. You will need to click on the problem that displays identical patterns.

04. Use Page Velocity Insights

Once you know about all the pages you need to work on, it’s time to use the page velocity insights feature as it is often powered by the chrome UX report and lighthouse. It helps to diagnose the subject points on the web page and labs.

Lab exams are one-off emulated exams. Just a single check for it is not subject to reality, or you won’t get a definitive reply. For this, you will need to test several instance URLs. Page velocity is effective in checking the indexable URLs.

05. Create A Ticket and Change Staging-Environment

Having a well-written ticket will permit you to improve your workforce, and it will help you reach a higher dimension. Before the code comes to the manufacturing part, it usually requires a staging environment for testing.

Use the lighthouse to measure the core web vitals here. If you’re new to testing with the lighthouse, you can find out its working criteria and then put them to use.

A decrease in the environment at times can have fewer assets, and it may also be much less effective with manufacturing. You will need to rely on the acceptance standards to dwell in the event completed at the time.

06. Determine LCP and Fix It

A Good LCP score is less than 2.5 seconds, and there could be many causes for a poor LCP score. Slow server response time and render-blocking JavaScript are the top main causes.

If the content resources are heavy, it could affect the score. You can do several things to improve your basic Largest Contentful Paint score.


Start by optimization of your critical rendering path, CSS, and other images. Remove all the other large page elements and use a content delivery network.

Try Removing all the third-party scripts that slow down your page. Upgrade your web host and minimize the size of CSS and JavaScript. Optimize the server response time.

07. Determine FID and Fix It

A good FID score is good if it’s less than 100ms. One of the most common reasons for a First input delay is browsers’ main thread is busy parsing and executing the JavaScript code. When the main thread of the browser is busy, it is not able to respond to the user’s interaction.


You can improve your FID score by reducing the JavaScript execution time. Minimize the work in the main thread. You will need to reduce the impact of third-party code. Don’t forget to use the browser cache feature, as it helps to load the content at a much faster speed. Minimize the JavaScript support if possible.

08. Diagnosing Poor CLS and Ways To Fix It

A cumulative layout shift score of 0.1 is considered to be good. Unexpected layout shifts happen, which affects the score. Because of ads, images, and unidentified dimensions, content does not load properly. Many other elements on the page push the content causing a shift.


For improving the score, it’s important to set the space reserves for all the ads on your page. Follow set dimensions or other attributes for media and images.

Add all the new elements below the fold, as it matters the most. If possible, use the CSS aspect ratio. Don’t insert elements if they are not required on the top of the page.

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Google now intends to update all the core components of the page on an annual basis, which means the metrics will be considered in the initial layout. As a part of important metrics, both LCP and FID weigh at 25% in the metrics performance and CLS at 5%. By paying attention to user-centric metrics, you can change the whole user experience and improve the ranking of your website. All the improvements and investments you make in metric tools will give you a predictive outcome.

Alice Jackson is a business consultant, blogger, social media enthusiast, online market analyst, amateur designer and an avid author at Designhill. She has written on several topics including social media marketing, SEO, content marketing, startup strategies and e-commerce. When she’s not writing, she loves spending her time reading romantic novels, Connect with her on Twitter: @jackson_alice1



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