Core Web Vitals : Google’s New Ranking Factors

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Core Web Vitals are soon going to be a crucial part of Google’s new ranking system. In the next few months, we may see ourselves working on this new matrix

Hello People!

Google is going to introduce Core Web Vitals soon in 2021. It’s a new Ranking system for the webpages.

I am here to make you understand every important aspect related to Google Web Vitals.

What are Google Web Vitals?

Before we discuss it, Let me ask you how do you evaluate your site on matrix like speed or UX?

Google Web Vitals is a new measuring system introduced by Google to provide unified guidance for the quality signal to make the end-user experience better or say superior.

We have been using a number of tools provided by Google. These tools are helping us to analyse our website on the basis of look and feel, its loading speed, user interactivity, Image or Video load time, user experience or cumulative layout shift.

If you are not aware of these tools, we will discuss in brief about it afterwards.

Google brought us these indicators which are not that hard to understand but create an impact on your website. Some of the website owners are smart enough to understand these tricky tools. But with the help of these web vitals, you don’t have to be a performance guru to understand the expectation of your user.

What are Core Web Vitals?

Core web vitals are introduced as three matrices responsible for the distinct facet of user experience. Google stated that these matrices are not fixed they keep on evolving from time to time. The current set of core web vitals are focused on Loading, interactivity and visual stability.

So as of now we have to focus on these three core web vitals. They are

  • Largest Contentful Paint (LCP) or Loading Matrix
  • First Input Delay (FID) or Interactivity Matrix
  • Cumulative Layout Shift (CLS) or Visual Stability
Largest Contentful Paint

For better user experience the largest content element placed on the web page should occur within 2.5 seconds from when the user hits enter. The largest element on the webpage might be an image, video or text or any other element. This will compute the loading performance matrix of the page. If it took loading time between 2.5 to 4.0 seconds then it “Needs Improvement” and if it took more than 4.0 seconds that you should seriously start working on it.

First Input Delay

Once the user arrived on your page. First input delay to be calculated when the user interacted with the page by clicking on a link or clicking on a button or any type of input provided by the user. The time has been calculated between the interaction happens until the time when the browser responds. FID suggests if the time is less than 100 milliseconds it will be considered as Good, if the time is within 300 milliseconds it will be considered as “Needs Improvement” and if its more than 300 milliseconds than you seriously thing over it and try to improve because it will be considered as “Poor”.

Cumulative Layout Shift

Once the user requested the Url to the browser the shift in layout elements are identified as layout shift. It actually hampers the user experience so google web vitals this is going to be a serious matrix. During the loading or users interaction, the shift would be in the range of 0.1 where it considered as “Good”. In between 0.1 to 0.25 considered as “Needs Improvement” and above that, I hope we understood.
Core Web Vitals influence search
Tools used to measure Core Web Vitals
Tools used to measure Core Web Vitals

Lets discuss in brief about these tools.

Page Speed Insights (PSI)

Its a widely used tool to check the performance of the web page. This tool provides a detail report based on both the interfaces desktop and mobile. Data analysed by this tool consist of Field data (Real User Monitoring data) and Lab data. Based on the page analysis it also suggests Opportunity, Diagnostics and Passed data.

Chrome UX Report

The CrUX is a slightly new tool. It is a data set of real user willingly opted for it. It measures metrics such as FCP, DCL and FID.

Web Vitals Extension

These are quality signal parameters. As we discussed earlier they provide feedback based on LCP, FID and CLS.


It helps to improve the quality of web page. It provides the instant feedback on Performance, Progressive web app, Best Practices, Accessibility and SEO. Lighthouse is an open source and an automated tool.

Chrome DevTools

This tool is basically on-the-fly editing tool. It is a tool for developers to edit the webpages in real time. The unique feature of this tool is it is build directly in chrome browser.

Search Console

This one is quite popular. Lets quickly have a look to its features, improve performance of web page on search engine, optimise content with search analytics, Helps to index your content fast on google, get the issue alert and make you understand how Google sees your page.

I tried to cover the best possible aspects in this piece of blog. Please comment your views. See you in next blog.


Read About : What are Google Core Updates?

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