Why you should pay attention to Core Web Vitals

Core Web Vitals have been a recurring topic of conversation ever since Google announced that they would be used as ranking signals in 2020.

Essentially, Core Web Vitals give Google an idea of how user-friendly your website is. These are used alongside ranking factors like mobile-friendliness, safe browsing, HTTPS and intrusive interstitials to assess your website’s page experience. So the better your UX, the better your website will rank.

Of course, other SEO ranking factors such as original content, BERT, backlinks and more will play a significant part in your website’s SERP rankings.

However, Google’s page experience algorithm update will start rolling out in June. So now’s the time to ensure your Core Web Vitals are fully optimised so your rankings and traffic aren’t negatively affected.

Core Web Vitals explained

There are three main components of Core Web Vitals. This includes:

Google has stated that it’s likely that these will evolve over time and will be changed or added to in the future. Currently, however, you’ll only need to get to know these three core concepts to improve your page experience.

Largest Contentful Paint (LCP)

LCP is concerned with loading performance. Specifically, it measures how long it takes for a pages’ main content to load.

It’s recommended that LCP should load in 2.5 seconds or faster. So if your LCP value is slower than this, you should implement measures to speed up your website before the algorithm update rolls out.

Optimising LCP

There are many different ways you can improve your Largest Contentful Paint speed. This includes:

It’s likely that you’ll need some web development experience to take on these tasks yourself. Alternatively, you can enlist the help of a web developer to improve your LCP score.

First Input Delay (FID)

First Input Delay is a measure of a page’s interactivity and load responsiveness. Google suggests that an FID score of 100ms or less is needed to provide a positive page experience.

Optimising FID

Optimising First Input Delay can involve many different tasks. This includes:

Cumulative Layout Shift (CLS)

CLS measures how visually stable your website is. Frequent layout shifts and element changes can have a negative impact on your UX. So it’s important to make sure your website is as stable as possible to provide the best possible page experience. Google recommends that a ‘good’ CLS score is 0.1 or less.

Optimising CLS

To improve your CLS score, you can:

Where to find your Core Web Vitals report

Google offers a range of tools to help you monitor your Core Web Vitals over time. This will help you to stay on top of your page experience and adequately prepare for the algorithm update. These tools include the following…

PageSpeed Insights

screenshot of google pagespeed insights results for the url google.com

Chrome UX Report


screenshot of google chrome ux report for first contentful paint for the url developers.google.com

Source: Google

Search Console

screenshot of core web vitals report in google search console

Chrome DevTools

screenshot of core web vitals report in google developer tools


screenshot of core web vitals in the google lighthouse tool

Web Vitals Extension

Screenshot of Google core web vitals chrome extension

How often should you carry out Core Web Vitals checks?

Regular Core Web Vitals checks should be a core component of your SEO strategy. This will help you to better serve your website users, as well as improve your SEO.

Working closely with your SEO agency will also help you to highlight any underlying page experience issues from early on.

How important are Core Web Vitals for SEO?

It’s important to remember that there are over 200 ranking factors and Core Web Vitals are a component of the overall user experience ranking factor. As such, improving them will play a part in your website’s SERP rankings, but may not have a major impact. But that doesn’t mean you should ignore them completely.

Core Web Vitals are concerned with improving UX. This can provide a wealth of benefits for your business, as well as your SEO. This includes:

As a result, it’s always a good idea to keep Core Web Vitals at the forefront of your mind when implementing any website changes.

How can we help?

Here at CandidSky, we conduct technical health checks on a monthly basis. These focus on Core Web Vitals, as well as other technical SEO factors to ensure your website is structurally sound at all times.

We take a holistic approach to SEO and can assist in creating a campaign strategy that best suits your business. Get in touch with a member of our team today to get started!

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