Understanding Core Web Vitals and Google search results
Core Web Vitals is a set of metrics that measure real-world user experience for loading performance, interactivity, and visual stability of the page. We highly recommend site owners achieve good Core Web Vitals for success with Search and to ensure a great user experience generally. This, along with other page experience aspects, aligns with what our core ranking systems seek to reward. Learn more in Understanding page experience in Google Search results.
Core Web Vitals metrics
- Largest Contentful Paint (LCP): Measures loading performance. To provide a good user experience, strive to have LCP occur within the first 2.5 seconds of the page starting to load.
- Interaction To Next Paint (INP): Measures responsiveness. To provide a good user experience, strive to have an INP of less than 200 milliseconds.
- Cumulative Layout Shift (CLS): Measures visual stability. To provide a good user experience, strive to have a CLS score of less than 0.1.
Optimizing your Core Web Vitals
Here are some resources that can help you measure, monitor, and optimize your Core Web Vitals:
- Check the Core Web Vitals report in Search Console. This shows how your pages perform.
- Learn more about Core Web Vitals, a guide about Core Web Vitals, including how to measure, debug, improve and best practices.
- Learn about the different tools that can help you measure and report Core Web Vitals. These tools measure LCP, INP, and CLS.
Recent updates on our blog
Here's everything we've announced about Core Web Vitals on the
Google Search Central blog:
Wednesday, May 10, 2023 In early 2020, Google's Chrome Team introduced the Core Web Vitals to provide a suite of quality signals for web pages. Today, the Google Chrome team announced an upcoming change in the metrics for the Core Web Vitals to May 10, 2023 Wednesday, April 19, 2023 Helpful content generally offers a good page experience. That's why today, we've added a section on page experience to our guidance on creating helpful content and revised our help page about page experience. We think this April 19, 2023 Thursday, November 4, 2021 At I/O 2021, we previewed our plans to bring page experience ranking to desktop. Today we're announcing more details, including the timeline for these changes. This work builds on top of the page experience update we rolled November 4, 2021 Monday, April 19, 2021 Last November we announced that the page experience ranking change will go live on Google Search this year, in what we're calling the "page experience update". To help publishers and site owners improve their page experience April 19, 2021 Tuesday, November 10, 2020 This past May, we announced that page experience signals would be included in Google Search ranking. These signals measure how users perceive the experience of interacting with a web page and contribute to our ongoing work November 10, 2020 Thursday, May 28, 2020 Through both internal studies and industry research, users show they prefer sites with a great page experience. In recent years, Search has added a variety of user experience criteria, such as how quickly pages load and May 28, 2020Introducing INP to Core Web Vitals
The role of page experience in creating helpful content
Timeline for bringing page experience ranking to desktop
More time, tools, and details on the page experience update
Timing for bringing page experience to Google Search
Evaluating page experience for a better web