In my opinion, Do focus on user needs, iterate based on feedback, and strive for simplicity; don't sacrifice usability for aesthetics or neglect the importance of accessibility in creating a product experience that delights and satisfies users.<p>Here's my checklist about the Don'ts:<p>Avoid feature overload.
Don't rely solely on internal feedback.
Don't sacrifice usability for aesthetics.
Prioritize performance optimization.
Adhere to accessibility standards.
Actively listen to user feedback.
Continually monitor analytics post-launch.