# Core Web Vitals

> 来源：Google Search Central (https://developers.google.com/search/docs/appearance-core-web-vitals.txt)

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# Understanding Core Web Vitals and Google search results

[Core Web Vitals](https://web.dev/articles/vitals#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](/search/docs/appearance/page-experience). 

##  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](https://web.dev/articles/lcp#what-is-a-good-lcp-score) 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](https://web.dev/articles/inp#good-score). 
  **Cumulative Layout Shift (CLS)**: Measures visual stability. To provide a good user experience, strive to have a [CLS score of less than 0.1](https://web.dev/articles/cls#what-is-a-good-cls-score).

##  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](https://support.google.com/webmasters/answer/9205520). This shows how your pages perform. 
  * Learn more about [Core Web Vitals](https://web.dev/articles/learn-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](https://web.dev/articles/vitals-tools). 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](/search/blog): 

Send feedback 

Except as otherwise noted, the content of this page is licensed under the [Creative Commons Attribution 4.0 License](https://creativecommons.org/licenses/by/4.0/), and code samples are licensed under the [Apache 2.0 License](https://www.apache.org/licenses/LICENSE-2.0). For details, see the [Google Developers Site Policies](https://developers.google.com/site-policies). Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-12-10 UTC.

Need to tell us more?  [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-12-10 UTC."],[],["Core Web Vitals measure user experience in loading, interactivity, and visual stability. Site owners should aim for good Core Web Vitals to improve search performance and user experience. Key metrics include: Largest Contentful Paint (LCP) under 2.5 seconds, Interaction to Next Paint (INP) under 200 milliseconds, and Cumulative Layout Shift (CLS) under 0.1. The Core Web Vitals report in Search Console, along with additional tools, are used for measuring, monitoring, and optimizing these metrics.\n"]] 

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