Tag

Core Web Vitals

Articles tagged “Core Web Vitals”.

3 articles
Aerial view of congested multi-lane highway traffic at dusk.
Web Performance·Jun 14, 2026

The fastest third-party script is the one that never runs

The HTML was fast and the page still felt broken. A war story about third-party embeds wrecking LCP and TBT, and the lazy-load and facade patterns that fixed it.

PerformanceCore Web VitalsJavaScript+2
Miracle KaluMiracle Kalu
Rows of server racks in a modern data center with blue lighting
Performance Engineering·Jun 13, 2026

How we cut LCP from 4.5s to under 2.5s on a Next.js 16 editorial site

Fixing a 4.5s LCP on a Next.js 16 editorial site. We replaced a video player with a facade, fixed server rendering, and tuned Cloudflare caching. Lighthouse rose from 79 to 90s.

Next.jsCore Web VitalsCloudflare+3
Miracle KaluMiracle Kalu
lcp-image
Performance Engineering·May 11, 2026

How I Reduced LCP from 5s to Under 1 Second on a 10M-User Platform

A practical breakdown of how we reduced Largest Contentful Paint from over 5 seconds to under 1 second on a high-traffic platform serving millions of users monthly.

Web PerformanceCore Web VitalsReact+2
Miracle KaluMiracle Kalu