Created
November 15, 2021 06:51
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Minimum PWA that satisfies Lighthouse tests
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <!-- | |
| Steps to acheive perfect Lighthouse score | |
| - [ ] Add service worker as separate file (sw.js) | |
| - [ ] Uncomment registering of service worker (sw.js) | |
| - [ ] Add `start_url` corresponding to where you host | |
| - [ ] Add <link rel="canonical" href="link-to-show-up-in-search"/> | |
| --> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <meta name="description" content="Single page PWA template that scores 100% on Lighhouse!"> | |
| <meta name="theme-color" content="#000"> | |
| <script type="application/ld+json"> | |
| { | |
| "@context": "http://schema.org", | |
| "@type": "WebApplication", | |
| "name": "PWA", | |
| "url": "https://jikkujose.in/pwa-starter/default", | |
| "description": "Progressive Web Application", | |
| "applicationCategory": "Utility", | |
| "genre": "Web Development", | |
| "aggregateRating": { | |
| "@type": "AggregateRating", | |
| "ratingValue": "5", | |
| "ratingCount": "23" | |
| }, | |
| "offers": { | |
| "@type": "Offer", | |
| "price": "0", | |
| "priceCurrency": "USD" | |
| }, | |
| "about": { | |
| "@type": "Thing", | |
| "description": "Progressive Web Application" | |
| }, | |
| "browserRequirements": "Requires JavaScript. Requires HTML5.", | |
| "softwareVersion": "0.1", | |
| "softwareHelp": { | |
| "@type": "CreativeWork", | |
| "url": "https://jikkujose.in/pwa-starter/default" | |
| }, | |
| "operatingSystem": "All" | |
| } | |
| </script> | |
| <script> | |
| if('serviceWorker' in navigator) { | |
| //navigator.serviceWorker.register("./sw.js"); | |
| }; | |
| </script> | |
| <title>PWA</title> | |
| <link tag="link" rel="manifest" href="https://jikkujose.in/pwa-starter/default/manifest.json"> | |
| <link tag="link" rel="icon" type="image/png" sizes="16x16" href="https://jikkujose.in/pwa-starter/default/images/icons/16x16.png"> | |
| <link tag="link" rel="icon" type="image/png" sizes="32x32" href="https://jikkujose.in/pwa-starter/default/images/icons/32x32.png"> | |
| <link tag="link" rel="icon" type="image/png" sizes="120x120" href="https://jikkujose.in/pwa-starter/default/images/icons/120x120.png"> | |
| <link tag="link" rel="icon" type="image/png" sizes="150x150" href="https://jikkujose.in/pwa-starter/default/images/icons/150x150.png"> | |
| <link tag="link" rel="apple-touch-icon" type="image/png" sizes="180x180" href="https://jikkujose.in/pwa-starter/default/images/icons/180x180.png"> | |
| <link tag="link" rel="icon" type="image/png" sizes="192x192" href="https://jikkujose.in/pwa-starter/default/images/icons/192x192.png"> | |
| <link tag="link" rel="icon" type="image/png" sizes="512x512" href="https://jikkujose.in/pwa-starter/default/images/icons/512x512.png"> | |
| <link tag="link" rel="mask-icon" href="https://jikkujose.in/pwa-starter/default/images/icons/vector.svg" color="#000"> | |
| <meta tag="meta" property="og:title" content="PWA"> | |
| <meta tag="meta" property="og:site_name" content="PWA"> | |
| <meta tag="meta" property="og:url" content="https://jikkujose.in/pwa-starter/default"> | |
| <meta tag="meta" property="og:description" content="Progressive Web App"> | |
| <meta tag="meta" property="og:type" content="product"> | |
| <meta tag="meta" property="og:image" content="https://jikkujose.in/pwa-starter/default/images/social_preview.png"> | |
| </head> | |
| <body> | |
| Default PWA Template | |
| </body> | |
| </html> |
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| self.addEventListener("install", function(event) { | |
| event.waitUntil( | |
| caches.open("sw-cache").then(function(cache) { | |
| return cache.addAll(["index.html"]) | |
| }) | |
| ) | |
| }) | |
| self.addEventListener("fetch", function(event) { | |
| event.respondWith( | |
| caches.match(event.request).then(function(response) { | |
| return response || fetch(event.request) | |
| }) | |
| ) | |
| }) |
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