The front-end technology stack of HTML, CSS, and JavaScript is combined with the back-end technology stack of Ruby, PHP, Python, and other back-end technologies to produce a web application. Given that it runs on a web browser, the web app's content accommodates all device displays. Although it depends on web browsers, these apps can leverage the device characteristics they run on. PWAs offer the best of both the desktop and mobile app worlds. They are created using front-end and back-end building blocks that are similar to those found in web apps, such as HTML, CSS, JavaScript, etc. PWA frameworks like AngularJS, Vue.js, ReactJS, etc. are additional options. Its effortless installation process, app-like functionality, speed, stability, network independence, and SEO-friendliness give it the bandwidth to ensure a positive user experience.