247COMPASS

Core Web Vitals

Google’s page-experience metrics for loading, visual stability and interaction responsiveness. Learn how it works and what to consider in practice.

Technical SEO & Web Infrastructure

코어 웹 바이탈

Core Web Vitals measure LCP, with a good threshold of 2.5 seconds; CLS, with a good threshold of 0.1; and INP, with a good threshold of 200 ms. INP replaced FID in March 2024. Field data from real visitors through CrUX can differ from Lighthouse laboratory measurements on a developer’s computer. Specify image dimensions to reduce layout shifts and split long-running JavaScript to free the main thread and support these metrics.

Business applications and impact#

Improves real user experience and supports Google’s page-experience assessment.

Implementation guidance and considerations#

Optimize images, reserve layout dimensions and reduce JavaScript work that blocks the main thread.

301 Redirect

301 리디렉션

An HTTP status code indicating a permanent move to a new URL and supporting the transfer of link equity.

302 Redirect

302 리다이렉트

An HTTP response code indicating that a resource is temporarily available at another URL.

404 Not Found

404 오류

An HTTP client-error status indicating that the requested resource was not found.

hreflang Attribute

hreflang

An HTML annotation identifying language and regional alternatives for a multilingual site.

HTTP Status Code

HTTP 상태 코드

A three-digit response code describing the outcome of an HTTP request.

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