Why do many crypto projects struggle with website conversions

I have noticed that a lot of crypto startups invest heavily in marketing token launches and community growth but often overlook website structure speed and user experience A slow unclear or poorly structured website can reduce trust and lower conversion rates especially when users are asked to connect wallets or make payments
In your opinion what makes a crypto website feel trustworthy and professional
I believe clean design fast performance and strong conversion structure make a real difference
Curious to hear your thoughts and experiences