Shaders for storytellers: building a WebGL hero that converts

A WebGL hero should earn its bytes. Before writing a line of GLSL we ask a blunt question: what does this motion say about the product? If the answer is "nothing," we cut it.

Progressive by default

The headline, value prop, and CTA render in HTML immediately. The 3D layer enhances afterward — and degrades to a branded still frame when a device or preference says so.

A tiny adaptive-quality helper keeps mid-tier phones at 60fps:

const dpr = Math.min(2, tier >= 2 ? 2 : 1.5);
const particles = isMobile ? base * 0.4 : base;