Hey Azizbek,    It's a loading problem, not really a GSAP problem or a React problem  In your local environment, everything is being loaded from your PC so it loads super fast. When it's online, it has a longer load time so there's time for the elements to show before JS kicks in (when the page is done loading). Thus there is a flash of unstyled content before the animations kick in.    We're actually going to post a quick tip video/mini article about this in the next few day
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