What is pre-caching and why is it worth using?

Pre-caching is an effective technique used in web applications aimed at improving performance and user experience. The article provides a detailed guide on pre-caching, explaining how it can be utilized in the context of PWAs (Progressive Web Apps). A key aspect of pre-caching is the storing of application resources like images, fonts, and CSS styles before a user requests them. This results in faster and more responsive pages, which is particularly important in environments with limited connectivity. The author points out various methods for implementing pre-caching, including the use of service workers, which play a central role in this process. As the popularity of PWAs rises, understanding pre-caching becomes crucial in creating modern web applications that delight users with efficiency and speed.