Here are some tips for creating a useful website :

1. Define the purpose and goals of your website : Clearly defining the purpose and goals of your website will help guide the development process and ensure that your website is focused and effective.
2. Identify your target audience : Knowing who your website is for will help you tailor your content and design to meet their needs and expectations.
3. Plan and organize your content : Carefully plan and organize your content to ensure that it is clear, concise, and relevant to your audience.
4. Use a clear and intuitive navigation structure : Make it easy for users to find what they are looking for by using a clear and intuitive navigation structure.
5. Optimize for mobile devices : As more people access the web from mobile devices, it’s important to ensure that your website is responsive and works well on smaller screens.
6. Use effective design elements : Use design elements such as typography, color, and layout to enhance the user experience and convey your message effectively.
7. Incorporate multimedia : Incorporating multimedia elements such as images, videos, and audio can help make your website more engaging and interactive.
8. Test and debug your website : Make sure to test your website thoroughly to identify and fix any bugs or issues before launching it.
9. Keep your website up to date : Regularly update and refresh your website to keep it current and relevant.

By following these tips, you can create a useful website that effectively meets the needs of your audience and achieves your goals.