Guide · 8 min · Updated 20/05/2026
Page speed without mythology
What actually moves LCP, INP, CLS — and what's cargo-culted.
Stop minifying as a strategy
Minification saves 10–20% of bytes. CDN compression already does most of this. The order-of-magnitude wins are in JS budget, image weight, and render-blocking resources.
Common questions
Is server-side rendering required?
For any page that needs to rank, yes — or static generation. Client-side-only rendering still indexes via the two-wave path, but slower and less reliably.