TailwindCSS is a utility-first CSS Framework packed with classes. This framework is not only popular but a lot of good feedback after using the framework. Therefore, I am curious to try to use it. In addition, I try to keep the website displayed when it arrives offline with a service worker and automates the performance of the website. Actually wanted to add a PWA but was still confused because there was a problem "Web app manifest or service worker do not meet the installability requirements". Maybe next time yes. For audit results using liight house as follows.