In what cases is it necessary to use a single-page application (SPA)?

Single Page Applications (SPA) are advisable to use in the following cases:

• High interactivity: Applications where users interact extensively with the interface without page reloads (e.g., CRM systems, online editors, social networks, games).
• Smoother user experience: The absence of page reloads creates a feeling of native speed and responsiveness.
• Complex web applications: SPA simplifies the development and maintenance of large and complex client interfaces.
• Use of modern frameworks/libraries: React, Angular, Vue.js, and other libraries are best suited for creating SPAs.
• Development of mobile applications using web technologies: SPA often form the basis of hybrid mobile applications.
• Need for asynchronous data loading: SPA work efficiently with APIs, loading data "on the fly".

However, potential drawbacks such as SEO optimization (which requires special approaches) and initial load time should also be considered.