Core Web Vitals

Explore articles and tutorials tagged with Core Web Vitals. In-depth AI, web development, and technology insights from ZanReal engineers.

AllAICompanyEngineeringNewsSecurityWebsites
9/22/2026/Engineering

Hero video without hurting LCP: how to put video at the top of a page without making visitors wait

One video file at the top of a page makes every visitor wait for the same download, and the people on the worst connections wait longest. Serve an adaptive stream instead, with a poster image holding the first paint, and the first frame arrives almost immediately while quality catches up behind it.

MJ
Mateusz
8/3/2026/Engineering

How to speed up a Next.js application without guessing

MJ
Mateusz
Zanek

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