Service Worker Caching Patterns

The internet is great, until you are offline or have poor connectivity. Then it becomes an act of futility as you wait for a page to load that never seems to materialize. Eventually, the request times out and the browser displays a message letting you know you're offline—Chrome is known for its cute offline dinosaur.

Most web traffic comes from smartphones, and many of those connections are made over a cellular connection (GPRS). Cellular networks are great when they work, but often a clean connection to the internet is not guaranteed.

Even in the United States, reliable LTE networks are not ubiquitous. There are several locations near my house where I have no cell coverage. Imagine what it might be like in ...

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