Core Website Vitals

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What are Core Web Vitals?

Core Web Vitals are a set of factors that Google considers essential when assessing a web page’s overall user experience. The Core Web Vitals report analyzes certain website elements (related to loading time, interactivity, and visual stability) to determine if a website offers a positive user journey.

Watch the video below to better understand exactly what Core Web Vitals is and how it impacts your site.

http://Core%20Web%20Vitals%20Illustration

Why should you care about Core Web Vitals?

Google is releasing an algorithm update in June 2021, making Core Web Vitals a ranking factor for search. In other words, if your website does not perform well (i.e., below 50/100 as a minimum), you are potentially going to see a negative impact on your site’s visibility in Google search results.

The “health” of your Core Web Vitals is becoming a key ranking factor, as Google increasingly focuses on user experience on websites, especially while being accessed on mobile devices.

What is assessed?

Google’s Core Web Vitals are made up of three main measurements. These measurements evaluate page speed and user interaction. The three metrics that are assessed are LCP, FID, and CLS.

 

1. Largest Contentful Paint

Largest Contentful Paint (LCP) measures the time it takes to show the largest content piece on a webpage on a device screen – i.e., how long it takes for the largest content section on a page to load to a point where a user can interact with it.

While it may be visible, some elements may not be usable. As a note, Google will only be looking at the content above the fold.

Factors that affect LCP are:

  • Images
  • Video
  • JavaScript
  • CSS

2. First Input Delay

First Input Delay (FID) measures how long it takes for the browser to respond to a user’s interaction with certain elements on a page. For example, if a “read more” button or menu tab is clicked, FID measures how long it takes for the action to load or the page to be visited.

FID is measured in milliseconds. Scrolling and zooming are not factors that Google would count here because these actions do not require the page to reload (i.e., a response from the browser would not occur). The elements measured by FID are button and link clicks, as well as clicks on navigation menus.

3. Cumulative Layout Shift

Cumulative Layout Shift (CLS) assesses the stability of a web page by measuring all layout shifts on a page caused by user interaction. An example of this would be a page’s layout changing without a user clicking on any element of the page.

How can SiteCare help?

Our free Core Web Vitals audit will help you understand how your website performs from an SEO perspective, including page speed insights and recommendations for improving overall performance.

Enter your website URL to receive a downloadable report, and feel free to contact us for the next steps.

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