Core Web Vitals: A Developer's Guide to 100/100
By Web Performance Team•July 16, 2026•10 min read
Table of Contents
Page speed isn't just about user experience anymore; it's a direct ranking factor in Google's algorithm.
1. Largest Contentful Paint (LCP)
Optimize your LCP by preloading critical images, using AVIF/WebP formats, and minimizing server response times (TTFB).
2. Interaction to Next Paint (INP)
INP replaced FID. To improve it, break up long tasks in JavaScript, optimize third-party scripts, and reduce main thread blocking.
3. Cumulative Layout Shift (CLS)
Prevent layout shifts by always specifying width and height attributes on images and videos, and reserving space for ads and dynamic content.
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