As a marketing professional, I’ve heard the term “Core Web Vitals” multiple times a day. But according to a recent marketing census, over 80% of respondents didn’t know what Core Web Vitals were or how it affected their business.

If you’re reading this and that applies to you, stick around to find out more about what Core Web Vitals are, why they’re important for your business and your site, and how to prepare for the Google Page Experience update in May.

What are Core Web Vitals?

Core Web Vitals describe a set of factors that Google uses to measure page experience. This comes in the form of a score, similar to Quality Score for Google Ads.

While Google states Core Web Vitals metrics will change over time, they currently fall into three categories:

  • Loading
  • Interactivity
  • Visual stability

And each criteria carries its own dedicated metric:

1. Largest Contentful Paint (LCP)

LCP measures loading performance and how quickly the main element of a page takes to load. Google’s recommended score for “good user experience” is an LCP of less than 2.5 seconds.

2. First Input Delay (FID)

FID measures interactivity and the time it takes between a user’s first page interaction (e.g. clicking a link or button) and when the browser processes that response. Google’s recommended score for “good user experience” is an FID of less than 100 milliseconds

3. Cumulative Layout Shift (CLS)

CLS measures visual stability and how often…

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