As you know, The Polyglot Developer is a static generated website that is built with Hugo. Given the nature of static generated websites, they are generally much faster than the CMS alternatives, but just because they’re fast, doesn’t mean they pass all of Google’s tests by default.
In an ongoing effort to try to satisfy Google PageSpeed Insights and Lighthouse when it comes to search engine optimization (SEO) and other best practices, I was lead to the progressive web application (PWA) test. There are many factors that determine if something is a PWA, but one of those resides in the use of service workers. In case you’re unfamiliar, service workers accomplish many things, with the most common of those things being caching.
Implementing service workers in an application is not necessarily the most complicated task, but as your applications evolve, things might become more chaotic. This is where Workbox comes in. With Workbox, you can use very clean APIs to pre-cache your static site resources as well as cache resources at runtime. We’re going to see how to use Workbox to implement service workers for caching Hugo content and other resources such as images, fonts, and scripts.Read More