Guidelines for frontend development:

Focus on usability: Make sure that your interface is intuitive and easy to use. This includes clear navigation, consistent layouts, and well-organized content.
Be responsive: Your frontend should be designed to work across a variety of devices and screen sizes. This means designing with responsive layouts, breakpoints, and font sizes in mind.
Optimize for speed: Users expect fast load times, so make sure your frontend is optimized for performance. This includes minimizing HTTP requests, using efficient coding practices, and compressing images and other media.
Keep it simple: Avoid cluttering your interface with unnecessary elements. Instead, focus on simplicity and minimalism to create an elegant and streamlined user experience.
Prioritize accessibility: Your frontend should be accessible to all users, including those with disabilities. This means using proper HTML tags, providing alt text for images, and ensuring that your interface can be navigated with a keyboard.
Stay up to date: Keep up with the latest frontend development trends and best practices. This includes staying current with new technologies, libraries, and frameworks.
Test thoroughly: Make sure to test your frontend thoroughly before launching it to ensure that everything works as expected. This includes testing across different browsers, devices, and screen sizes.