<!DOCTYPE html> <html lang="en"> <head> <!-- Meta Tags for Responsive Design --> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Simple PWA Hello World</title> <!-- Meta Tags for Progressive Web App --> <meta name="apple-mobile-web-app-status-bar" content="#aa7700"> <meta name="theme-color" content="black"> <!-- Link to the Manifest File --> <link rel="manifest" href="manifest.json"> <!-- Styling --> <style> h1 {text-align: center; color: rgb(9, 0, 128);} p {text-align: center; font-family: sans-serif;} </style> </head> <body> <h1>Hello World</h1> <p> This is a Progressive Web Application </p> <!-- Link to the Service Worker --> <script src="app.js"></script> </body> </html>