Amp Pwa Demo Save Abandoned

A simple, dependency-free blog that uses a Progressive Web App (PWA) to show Accellerated Mobile Pages (AMP).

Project README

AMP+PWA Demo for Blog and News Sites

A simple, dependency-free blog that uses a Progressive Web App (PWA) to show Accelerated Mobile Pages (AMP). This is not an official Google product.


This project requires Node.js and NPM.

In the root of this repo, run npm install to download all dependencies, and then npm start to start the server. You can visit the site at localhost:8080.

Note that this is just a demo site. Some features (e.g. push notifications) require a more complex backend that is not implemented here.

Implementation Details

Our site uses AMP and PWA to create a site that loads as fast as possible, while still allowing users to take advantage of some of the most recent web platform features like push notifications and offline browsing.

The front end consists of three main components:

  • AMP templates: All pages are valid AMP pages. We'll only have to maintain a single set of templates (rather than a conventional version and a separate AMP version).
  • App Shell: This is an empty HTML page that contains some scripts to download content.
  • Service Worker

The first pageview will always be an AMP page. If visitors are coming from Google search results, this page will be loaded directly from the Google AMP cache. In the background, the AMP page will install the service worker, which in turn will cache the app shell page and some other resources.

Any further pageview will be intercepted by the service worker. It returns the app shell, rather than the requested page, and the app shell will then load the actual content using AJAX.

While the content shown inside the app shell is still valid AMP, we can now use custom JavaScript to add functionality that is not (yet) supported by AMP. Note however that this functionality will not be available on the first pageview, or in browsers that don't support service workers. The App Shell can also intercept link clicks and use the web history API to create a "single page app".

Open Source Agenda is not affiliated with "Amp Pwa Demo" Project. README Source: google/amp-pwa-demo
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