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GSAP simple stagger animation slow the first time

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Go to solution Solved by ti-sign,

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Hey there, gsap novice here


I have a simple fade-in animation on my site. However, the first time the animation loads, the whole site janks and the animation doesn't look good. All subsequent times look extremely smooth. I've tried to recreate it in a codepen, however, there the code seems to work flawlessly. I have no other scrollTrigger or gsap animation on any of the here targeted elements. Did anybody already have that problem and see a solution?


Thanks in advance!

See the Pen NWyEwoa by tisign (@tisign) on CodePen

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  • Solution

Okay, imma hit myself in the head, but I leave this online if anybody else stumbles upon this.


Do not load uncompressed images during developement. GSAP doesn't seem to like it if it has to animate 21MB of images all of the sudden.

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GSAP doesn't really care - it's just the browser that is choking on all that loading/decompressing/memory allocation work. Glad you figured it out. Please don't hit yourself in the head. 🤕

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