Understanding and Utilizing Google’s Core Web Vitals in 2023 SEO

As the world of SEO continues to evolve, it’s important to stay up to date with the latest ranking factors and best practices. In recent years, Google has placed a strong emphasis on user experience, and this is reflected in its Core Web Vitals initiative. In this blog, I’ll guide you on what Core Web Vitals are, why they’re important for SEO, and how you can utilize them to improve your website’s ranking in 2023.

What are Core Web Vitals?

Core Web Vitals are a set of metrics that measure the user experience on websites. They are a subset of the many factors that Google uses to evaluate the quality of a website, and they focus on three key areas: loading speed, interactivity, and visual stability. The three Core Web Vitals are:

  1. Largest Contentful Paint (LCP): This measures the loading speed of a page and how long it takes for the main content to become visible. A good LCP should be under 2.5 seconds.
  2. First Input Delay (FID): This measures interactivity and how long it takes for a user to be able to interact with a page, such as clicking a button or filling out a form. A good FID should be under 100 milliseconds.
  3. Cumulative Layout Shift (CLS): This measures visual stability and how much a page layout shifts while it’s loading. A good CLS score should be under 0.1.

Why are Core Web Vitals important for SEO?

Google uses Core Web Vitals as part of its ranking algorithm to determine the quality of a website and its user experience. A website with a poor user experience can negatively impact its ranking, while a website with a good user experience can see a boost in its ranking. This is why it’s important to optimize your website for Core Web Vitals, as it can have a direct impact on your search engine visibility.

How to utilize Core Web Vitals for SEO

To utilize Core Web Vitals for SEO, you need to understand how your website currently performs in each of the three metrics. There are several tools available for this, including Google PageSpeed Insights, Lighthouse, and WebPageTest.

Once you know your website’s scores, you can start optimizing for Core Web Vitals by focusing on the following areas:

  1. Site speed: The faster your website loads, the better. To improve your site speed, you can optimize images, minify CSS and JavaScript, and use a content delivery network (CDN).
  2. Interactivity: To improve interactivity, you can reduce the size of your JavaScript files, optimize your code for faster execution, and eliminate render-blocking resources.
  3. Visual stability: To improve visual stability, you can use techniques such as reserving space for images and videos, avoiding aggressive animations, and fixing any layout shifts.


Core Web Vitals are an important part of Google’s ranking algorithm, and optimizing for them can have a significant impact on your website’s search engine visibility. By focusing on site speed, interactivity, and visual stability, you can improve your website’s user experience and rank higher in search results.

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