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Given my current skill level and work on this project, what should my next steps be? What other technologies or concepts should I explore to continue improving? I have yet to find my specific stack to make my web development journey smooth.

This is the first time I made a website using Haxe. Is there any area I found to improve on? I'm trying to get a custom to Haxe for web development and hope to find ways to make optimal and faster solutions.