gsap-performance

GSAP animation jank often occurs from animating layout-heavy properties like width or height, which trigger excessive browser reflows. Optimizing animations by using transform and opacity properties instead minimizes layout thrashing and restores smooth 60fps performance.

Optimize ScrollTrigger animations by carefully managing pin and scrub configurations to reduce simultaneous rendering workload. Limiting active off-screen animations and minimizing simultaneous tweens also prevents performance drops and frame rate degradation.

The best way to animate many DOM elements with GSAP is using stagger and virtualization techniques. Batching DOM reads and writes minimizes layout thrashing, while stagger efficiently distributes animation timing across large sets of elements.

Use gsap.quickTo for frequently updated animation properties like mouse followers to bypass standard tween overhead. It provides a highly optimized method for rapidly updating specific properties without the performance cost of creating new tweens repeatedly.

Setting will-change excessively does not improve GSAP animation performance and can actually degrade it by over-allocating browser layers. Proper usage involves applying will-change strategically only to elements that require layer promotion for paint cost reduction.

Reduce layout thrashing in GSAP by batching DOM updates to separate read and write operations. Avoiding interleaving DOM reads and writes prevents the browser from performing synchronous layout calculations, minimizing paint cost and improving frame rates.