The document discusses how users are becoming frustrated with websites that do not cater to their needs. It recommends building sites using semantic HTML, responsive web design, and simplified content to ensure the user experience is positive. Semantic HTML uses appropriate tags to structure content, responsive design adapts layout for different devices, and simplified content focuses on only including essential information for users. The document emphasizes that the user experience should work seamlessly across all devices and content delivery platforms by following these best practices.