Core Web Vitalsv

Understanding Core Web Vitals for SEO & Its Importance

Core Web Vitals for SEO – a set of metrics from the renowned search engine Google is a way to understand and rank the webpage according to the users’ experience. The Core Web vitals are the important element dealt in technical SEO and having a strong grip on it is a plus for any site owner.

The vitals are important to identify the experience of the user by generating a set of metrics for three primary areas including:

  • Performance of page loading
  • Interaction ease
  • Stability of a page from the perspective of the user.

In this blog, we will guide you on what is core web vitals for SEO and their benefits. Let’s get started:


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What is Core Web Vitals for SEO?

Core Web Vitals are a set of three essential metrics that are used to measure the speed, visual stability, and interactivity of the page. The vitals are considered to be an important factor in ranking for SEO and improving the core elements to help a website rank higher in SERPs and offer a better user experience.

In Simple words, these vitals are a subset of factors that have become part of Google’s page experience score. In other words, it is a way of sizing up the website’s overall UX.

Due to its cruciality and weightage in Google algorithm, the core vitals are important to play for technical SEO.

The three crucial core web vitals are:

Largest Contentful Paint  (LCP):

It is helpful to measure how long the largest content feature or element takes time to load on a page. The largest Contentful Paint or LCP should take less than 2.5 seconds to give the best user experience.

First Input Delay  (FID):

The metrics measure how long it takes time to respond by the browser after its first interaction with the page. For instance, after a tap or a click. For good use experience, the FID should be less than 100 milliseconds.

Cumulative Layout Shift  (CLS):

The metrics measure how page layout shifts at its loading time. For a good user experience, it should be less than 0.1 seconds.

After the latest core web vitals update of Google in March 2024 it has announced a fourth metric that is called Interaction to Next Paint (INP). It will replace FID. For a good user experience, INP should be less or equal to 200 milliseconds.

Every metric offers its unique perspective on different user-experience elements. It defines how users engage and interact with the page. While developers think about user experience from a strategic perspective, these core metrics help in breaking down the variables into small pieces. The metrics, therefore, help site owners identify and fix the technical issues of the website

It is important to note here that these metrics do not completely define the user experience on a website, but every metric can be joined together to find the issue and resolve it methodically and efficiently.

Why Core Web Vitals are Important for SEO?

The Core Web Vitals are important for SEO as they play a vital role in website optimisation. By improvising you are not just following the best Google guideline practices, but also ensuring that your business attracts more customers online and increases the conversion rate.

By passing Core web vitals you can enjoy the following benefits

Better User-Experience:

By working on core web vitals, the technical SEO expert can offer users with better loading time a seamless interaction, and a much more stable browsing experience. The factors directly help in improving user experience boost their satisfaction level and increase website engagement.

Boost Ranking on Search Engine:

Google has declared core web vitals as crucial ranking factors. Therefore, the websites with better scores of Core Web Vitals are likely to get more visibility on SERPs in Google and attract more organic web traffic organically. A slow-loading page means a negative effect on your website when the Bot crawls web pages. It can also lead to de-ranking or decreasing the indexation of the website.

Enhance User-Experience:

If the website loads within 2 seconds and provides nothing but the best user experience seamlessly gets more engagement rates with low bounce rates and increased conversions automatically. The optimisation of core web vitals positively impacts the behaviour of the user and improves the business results.

A Major Boost in Revenue and Conversions:

The optimised website with Core Web vitals elements gets more chances to generate more web page visits and influence visitors to proceed in their website browsing journey. It can be anything like a newsletter subscription or add to a call-to-action tab, an optimised website increases the opportunities for page monetisation.

Better Retention Rate:

With a better user experience, your website gets a better retention rate. With seamless and fast loading even the largest content element of the page, increases the chances of visitors staying long on the website, exploring more pages, and returning in the future as well.


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Core Web vitals for SEO are important as they help in performing the best by removing any performance barriers creating a frictionless lead conversion process and locking more chances of business growth. Therefore, SEO experts need to know all about FID, CLS, and LCP so the site owners can troubleshoot any performance errors and rank high and sustainably for a long time.

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