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Google’s Core web vitals update is a combination of specific aspects that contribute to a website’s overall UX. Core Web Vitals are made up of three unique page performance and user interaction statistics: 

  • Largest Contentful Paint
  • First Input Delay
  • Cumulative Layout Shift.

In a nutshell, Core Web Vitals are a subset of variables that will be included in Google’s “page experience” score (essentially, how Google evaluates your website’s overall user experience).

The Google Core Web Vitals data for your site may be seen in the “enhancements” area of your Search Console account.

Significance of Core Web Vitals –

Page experience will be the official Google ranking criteria in the future. Core Web Vitals will be a big part of this criteria. The user experience on a page will be a jumble of variables that Google considers relevant, including:

  • Https
  • Mobile-friendliness
  • No interstitial pop-ups.
  • “Safe-browsing” (essentially, not having malware on your site)

3 Core Web Vitals

Largest Contentful Paint (LCP)

LCP is the time it takes for a page to load from the perspective of a real user.

In simple words, it’s the time it takes from when you click a URL to when you view most of the contents on your screen.

LCP is distinct from other page speed indicators. Many other page performance indicators (such as TTFB and First Contextual Paint) don’t always reflect how it would be to open a webpage for a user.

LCP, on the other side, concentrates on the most important aspect of page speed: the ability to see and interact with your website.

First input Delay (FID)

After LCP, let’s check the second of Google Core Web Vitals: FID

Now that your site has attained FCP, the crucial question is whether or not users will be able to engage with your page?

That’s precisely what FID tracks: the time required for a user to interact on your website.

FID is crucial to Google because it considers how real-life consumers interact with websites.

FID is a technical term that refers to how long anything takes to happen on a page. So it’s a page speed score in that sense. However, it goes a step further and calculates the time it takes for people to complete a task on your page.

Cumulative Layout Shift (CLS)

CLS is a measuring index of Google’s core web vital score that assesses “How stable a web page is when it loads?”. The term stability here is often substituted with visual stability.

To put it another way, if the components on your page move about while the page loads, you have a high CLS. This is toxic to a website’s User Experience.

Ideally, you want the pieces of your website to be pretty stable as it loads. When the page is fully loaded, visitors won’t have to re-learn where links, graphics, and forms are situated. Or you might accidentally click on something.

How to improve Google Core Web Vitals Score

You can improve your Core Web Vitals Score for the google core web vitals update. This can help you to rank higher than your competitors in Google SERP.

Improve the LCP of your website:

  • Remove any 3rd-party scripts that aren’t required: According to a recent page speed research, each third-party script slowed a page by 34 milliseconds.
  • Upgrade your site host: Better hosting equals faster overall load times (including LCP).
  • Set up lazy loading: Lazy loading prevents images from loading until the user scrolls down the page. As a result, you’ll be able to attain LCP far more quickly.
  • Remove big page elements: Google PageSpeed Insights can tell you whether an element on your page is slowing down the LCP.

FID scores for your website should be improved:

  • JavaScript should be minimized (or deferred): Because it’s nearly difficult for visitors to engage with a page while the browser is loading JS. As a result, for FID, minimizing or postponing JS on your website is critical.
  • Remove any 3rd-party scripts that aren’t absolutely necessary: Third-party scripts (such as Google Analytics, heatmaps, and so on) can have a negative impact on FID, just as they might with FCP.
  • Make use of your browser’s cache: This speeds up the loading of content on your page. This makes it possible for your user’s browser to complete JS loading chores even faster.

CLS should be kept to a minimum:

  • Use set size attribute dimensions for any media: Because the size attribute is set, the user’s browser will know exactly how much space the element will take up on the page. Moreover, it won’t alter on the fly until the page is completely loaded.
  • Ensure that all ad elements have a dedicated space: Sometimes, they may appear unexpectedly on the site, pushing information to the left, right, or to the sides.
  • Below the fold, add new UI elements: That way, they wouldn’t push down content that the viewer “expects” to stay put.

Final Thought: 

With the upcoming core web vitals update, Google will once again prioritize site speed and user experience. While looking at SEO as a whole is a good idea, there are many moving aspects to consider, and you should focus on all of them to create the best site possible. Our experts at iWebServices can help you optimize your site for the Google Core Web Vitals update.

Some broad modifications will help you increase your Core Web Vitals ratings, but you should actually be doing this to provide a better experience for your visitors.


CEO & Founder, @IWebServices : India's leading digital agency that helps global brands develop amazing solutions and connect them to their audience. As CEO, I work with a team of incredibly talented and creative people that blend technology and innovation to augment the best integrated digital solution.


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