TL;DR
- website performance optimization 2026
- For website owners who want to improve loading speed and Google ranking.
Who this is for
- For website owners who want to improve loading speed and Google ranking.
Keyword (SEO)
- website performance optimization 2026
Core Web Vitals 2026
- LCP (Largest Contentful Paint) < 2.5s
- FID (First Input Delay) < 100ms
- CLS (Cumulative Layout Shift) < 0.1
Image optimization
- WebP format, responsive images
- Compression without quality loss
- Lazy loading for below-fold images
Lazy loading and code splitting
- Code splitting in Next.js/React
- Dynamic imports for components
- Tree shaking unused modules
Caching and CDN
- Browser caching (max-age)
- CDN for static assets
- Service Workers for offline
FAQ
How long does performance optimization take?
Basic optimization: 1-2 days. Full optimization with Core Web Vitals: 3-5 days.
Does optimization affect SEO?
Yes! Loading speed is a Google ranking factor. Core Web Vitals are directly used in the algorithm.