Motion & animation

Builds an animation in the right order: whether it should animate at all, its purpose, the cheapest tool, properties, easing, interruption and reduced motion.

Checks motion code against ten firm standards and returns a findings table with a verdict.

Audits every animation in a codebase and writes a prioritized plan with a self-contained fix for each.

Keeps web animation within the frame budget: compositor-only properties, motion off the main thread, React state traps, will-change and a symptom table.

Apple's fluid interface principles for the web: instant response, direct manipulation, interruptible springs, momentum and rubber-banding.

A read-only sweep for places that deserve motion, filtered by how often they are seen and why, with a list of what was rejected.

Turns a vague description of a motion effect into its exact name, with hints on how to build it.