Core Web Vitals: SEO - Are Core Web Vitals Important?
Published 22 December 2021 · Updated 3 October 2026

Core Web Vitals: SEO – Are Core Web Vitals Important?
If you are not a part of the IT department at your company, or do not come from a web development background, you may not ever think to try and understand jargon like; “performance metrics”, “visual stability” or “ranking signals”. Although these terms and insights partner well with digital marketing strategies, they are known as Core Web Vitals. Core Web Vitals are a specific set of factors that Google determines to be important in a webpage’s UX and overall performance.
But, just how important are core web vitals in terms of SEO and search engine ranking factors? You may be spending a large percentage of your marketing budget on Search Engine Optimisation and SEM development without seeing any results in ranking. The reason behind this could be that, although you are creating great quality content for your website, you may not be paying attention to core web vitals and the technical performance of your website.
As well as impacting user experience on your site, Core Web Vitals will have an impact on where you end up being ranked within search engine results. This article will break down what core web vitals are and how you can utilise them to boost your search engine result ranking.
Why are Core Web Vitals (SEO) important?
As previously mentioned, the factors measured within core web vitals metrics on both mobile and desktop will have an impact on the ranking of your web pages on search engines. Furthermore, these factors also affect the user experience for those visiting your webpage in the first place.
Last year, Google announced that there would be an update to their algorithm with page experience becoming a major factor in indexing pages. They confirmed that core web vitals will become ranking metrics by May/ mid-June 2021, and the impacts of this are already being felt by website owners and marketeers globally.
No one wants to spend time on an outdated webpage with excessively long load times and an unclear, constantly shifting layout. We want our experiences surfing the web to be quick, clean, and optimised. This is what these core web vitals metrics help to do and why Google has introduced core web vitals seo metrics.
It’s clear to note that, although these factors will paly a role in the overall ranking of web pages, it won’t magically shoot your webpage up to number 1 on Google. It’s vital (pun intended) that you also focus on optimising your SEO content within all web pages and articles. Good quality website content alongside a technically optimised website is a sure way to guarantee a great experience for those interacting with the page, as well as increasing the chances of your webpages being found easily on search engines.
Here at Bark Street Digital, we have SEO specialists that can help produce the needed content for your webpage as well as optimising your site for core web vitals. Keep reading to find out more and contact us if you have any enquiries.
What are the Core Web Vitals?
Core Web Vitals are broken down into 6 main areas, with largest contentful paint (LCP), first input delay (FID) and Cumulative Layout Shift (CLS) being 3 of the most important.
Google uses real world, field data when indexing pages. Using the PageSpeed Insights tool will enable you to view your overall core web vitals score and provides a breakdown of page speed scores, FID scores and CLS scores. If any issues are detected on your website, they will be shown within this tool. Google search console can also be used to detect any core web vitals SEO issues.
Largest Contentful Paint (LCP)
This measures the loading performance- how long it takes for most of the content on a page to load from the perspective of the user. To provide a good user experience, Google determines that LCP should occur within 2.5 seconds of when the page first starts loading.
Some ways to improve your LCP score are:
– Removing large page elements
– Lazy Load – Lazy loads means that page elements like images or videos only load if users scroll down to where they are.
– Remove any third-party scripts
– Upgrade your webhost
First Input Delay (FID)
This measures interactivity – how long it takes for users to be interact with your webpage. To provide a better user experience, pages should have an FID of 100 milliseconds or below. FID technically measures how long it takes further and measures the time it takes for users to do something on your page.
Some examples of interactions include:
– Selecting a link on the navigation bar
– Searching through the website
– Choosing an option from a menu.
– user input contact information into a field
Ways to improve FID are:
- Remove any non-critical third-party scripts
- Minimize (or defer) JavaScript
- Use a browser cache
Cumulative Layout Shift (CLS)
This measures visual stability – how stable your page elements are as the page loads on a user’s browser. To provide a good user experience, pages should maintain a CLS of 0.1 or below. The lower the CLS value, the better optimised experience for users.
Some ways to improve CLS are:
– Use set size attribute dimensions for any media (video, images, GIFs, infographics etc.):
– Make sure ads elements have a reserved space
– Add new UI elements below the fold
How can Bark Street Digital Assist with Core Web Vitals SEO?
Core Web Vitals SEO are an important factor to consider when trying to improve your webpage ranking. However, there is a lot of jargon and technical details that may be confusing to comprehend. Luckily, the process does not need to be done alone.
Bark Street Digital are a team of web development and SEO experts who can assist you in improving your core web vitals score, as well as boosting your rankings on search engines.
If you would like to improve your core web vitals as well as your SEO so that you can rank higher today, please get in touch by calling 01204 263028 or by completing our Contact Us form.
You can find out more about the services we offer at Bark Street Digital by checking out the Our Services page.
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A practical framework for core Web Vitals: SEO - Are Core Web Vitals Important
A website should make a business easier to choose. Visual polish matters, but it must be supported by fast loading, accessible layouts, clear navigation, useful content and an obvious route to enquiry. Those principles remain valuable even when design trends, devices and publishing tools change.
Start with the customer and the commercial goal
Write down the specific customer you want to attract, the problem they are trying to solve and the action you want them to take. This prevents core Web Vitals: SEO - Are Core Web Vitals Important from becoming a disconnected task. Review the language customers use in calls, enquiries, reviews and search data. It often reveals concerns that a generic keyword list misses.
Next, define the commercial outcome. More traffic can be useful, but qualified enquiries, booked appointments, suitable applications or sales are clearer measures of value. Agree what a good enquiry looks like and make sure the page or campaign answers the questions that usually prevent that person from acting.
Build evidence and clarity into the experience
People need reasons to believe a claim. Use accurate service details, transparent explanations, relevant examples, genuine reviews and clear contact information. Avoid unsupported superlatives. If evidence is not available, explain the process and the standards used instead of inventing a result. This creates a more trustworthy experience and gives the content substance.
Structure also matters. Lead with a direct answer, then develop the detail under descriptive headings. Use examples where they improve understanding, connect related pages with useful internal links and remove anything that exists only to repeat a phrase. A reader should be able to scan the page and still understand its main recommendation.
Measure, learn and improve
Create a simple baseline before making changes. Record the relevant visibility, engagement and enquiry measures, then review them on a regular schedule. Look for patterns over time rather than treating a single week as a verdict. Where possible, compare lead quality as well as volume so growth does not come at the expense of relevance.
Improvement should be deliberate. Test one meaningful change, such as a clearer proposition, a stronger answer to a common objection or a simpler enquiry path. Keep what helps and document what you learn. Revisit the content when services, customer questions or evidence change. This approach keeps core Web Vitals: SEO - Are Core Web Vitals Important accurate and useful without chasing every short-lived trend.
Common mistakes to avoid
Do not copy a competitor's plan without understanding its audience, authority or budget. Avoid publishing vague content that could belong to any business, and do not hide the next step behind unnecessary friction. It is also important not to confuse activity with progress. A full calendar or a longer report is not valuable unless it supports better decisions and better-fit enquiries.
Finally, allow enough time to learn. Strong marketing compounds when useful pages, clear messages and reliable measurement work together. Review the strategy regularly, but do not abandon a sound direction because of normal short-term variation. The objective is a dependable source of visibility and demand that supports the wider business.
Core Web Vitals: SEO - Are Core Web Vitals Important? FAQs
What makes a business website effective?+
An effective website explains the offer quickly, works well on common devices and gives visitors a clear route to the information or action they need. Fast loading, accessible design, useful copy, genuine evidence and reliable measurement all matter. Visual design should support these goals rather than make the visitor work harder.
How often should a website be reviewed?+
Core security, forms, backups and updates should be monitored routinely. Review important content and conversion journeys whenever the offer or customer needs change, with a broader performance review at sensible intervals. Analytics, search data and enquiry feedback can identify priorities without redesigning the site merely because a visual trend has changed.
Should SEO be considered during a website build?+
Yes. Page structure, redirects, internal links, performance and content decisions affect how a rebuilt site can be found. Planning these elements before launch reduces avoidable losses and rework. Record valuable existing URLs and search performance, then test the new experience on different devices before and after release.
How should website performance be measured?+
Start with reliable conversion tracking and define the actions that matter, such as calls, forms, bookings or sales. Review qualified conversion rate alongside traffic sources, landing-page behaviour and technical performance. Numbers should be interpreted with customer feedback so the team improves both the quantity and suitability of enquiries.