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Building Immersive 3D Web Experiences with React Three Fiber
How we craft cinematic, 60fps 3D interfaces on the web without sacrificing performance or accessibility.
Intechvia Engineering
Nov 2, 20257 min read
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Tech
Core Web Vitals: A Field Guide for 2026
Everything you need to know to hit green scores on LCP, INP, and CLS, with real, actionable tactics.
Intechvia EngineeringEngineering Team6 min read- #Performance
- #SEO
- #Next.js
Fast sites rank better and convert more. Here's how we keep Core Web Vitals green on every build.
The three metrics
- LCP (Largest Contentful Paint), how fast the main content appears. Optimize images, fonts, and server response.
- INP (Interaction to Next Paint), how responsive the page feels. Keep the main thread free.
- CLS (Cumulative Layout Shift), visual stability. Reserve space for media and avoid injected content.
Tactics that move the needle
- Serve modern image formats (AVIF/WebP) at the right size.
- Self-host and preload fonts with
font-display: swap. - Ship less JavaScript, code-split and defer aggressively.
- Stream server-rendered HTML with the App Router.
Performance isn't a phase, it's a constraint we design within from day one.
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