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Comprendre les métriques Core Web Vitals et les résultats de recherche Google
Les Core Web Vitals sont un ensemble de métriques qui évaluent l'expérience utilisateur réelle en fonction des performances de chargement, de l'interactivité et de la stabilité visuelle de la page. Nous recommandons vivement aux propriétaires de sites de veiller à obtenir un bon score Core Web Vitals, afin de se démarquer dans la recherche Google et de proposer une expérience utilisateur de qualité. Cette recommandation, combinée à d'autres aspects de l'expérience sur la page, est en adéquation avec ce que nos principaux systèmes de classement cherchent à récompenser. Pour en savoir plus, consultez Comprendre l'expérience sur la page dans les résultats de recherche Google.
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2025/08/04 (UTC).
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Il n'y a pas l'information dont j'ai besoin","missingTheInformationINeed","thumb-down"],["Trop compliqué/Trop d'étapes","tooComplicatedTooManySteps","thumb-down"],["Obsolète","outOfDate","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Mauvais exemple/Erreur de code","samplesCodeIssue","thumb-down"],["Autre","otherDown","thumb-down"]],["Dernière mise à jour le 2025/08/04 (UTC)."],[[["\u003cp\u003eCore Web Vitals are a set of metrics used by Google to measure a webpage's loading performance, interactivity, and visual stability, contributing to a better user experience and search ranking.\u003c/p\u003e\n"],["\u003cp\u003eThese metrics include Largest Contentful Paint (LCP) for loading speed, Interaction to Next Paint (INP) for responsiveness, and Cumulative Layout Shift (CLS) for visual stability.\u003c/p\u003e\n"],["\u003cp\u003eGoogle provides resources like Search Console reports and web development guides to help website owners understand, measure, and improve their Core Web Vitals.\u003c/p\u003e\n"]]],["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"],null,["# Understanding Core Web Vitals and Google search results | Google Search Central\n\nUnderstanding Core Web Vitals and Google search results\n=======================================================\n\n\n[Core Web Vitals](https://web.dev/articles/vitals#core-web-vitals) is a set of metrics that measure real-world\nuser experience for loading performance, interactivity, and visual stability of the page. We highly recommend site\nowners achieve good Core Web Vitals for success with Search and to ensure a great user experience generally. This,\nalong with other page experience aspects, aligns with what our core ranking systems seek to reward. Learn more in\n[Understanding page\nexperience in Google Search results](/search/docs/appearance/page-experience).\n\nCore Web Vitals metrics\n-----------------------\n\n- [Largest Contentful Paint (LCP)](https://web.dev/articles/lcp): Measures loading performance. To provide a good user experience, strive to have [LCP occur within\n the first 2.5 seconds](https://web.dev/articles/lcp#what-is-a-good-lcp-score) of the page starting to load.\n- [Interaction To Next Paint (INP)](https://web.dev/articles/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).\n- [Cumulative Layout Shift (CLS)](https://web.dev/articles/cls): Measures visual stability. To provide a good user experience, strive to have a [CLS score of\n less than 0.1](https://web.dev/articles/cls#what-is-a-good-cls-score).\n\nOptimizing your Core Web Vitals\n-------------------------------\n\n\nHere are some resources that can help you measure, monitor, and optimize your Core Web Vitals:\n\n- Check the [Core Web\n Vitals report in Search Console](https://support.google.com/webmasters/answer/9205520). This shows how your pages perform.\n- Learn more about [Core\n 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.\n- Learn about the different tools that can help you [measure\n and report Core Web Vitals](https://web.dev/articles/vitals-tools). These tools measure LCP, INP, and CLS.\n\nRecent updates on our blog\n--------------------------\n\n\nHere's everything we've announced about Core Web Vitals on the\n[Google Search Central blog](/search/blog):"]]
