setto.basspistol.com/service-worker.js

// service-worker.js

// set names for both precache & runtime cache
workbox.core.setCacheNameDetails({
  prefix: 'SettoPWA',
  suffix: 'v1',
  precache: 'precache',
  runtime: 'runtime-cache'
});

// let Service Worker take control of pages ASAP
workbox.skipWaiting();
workbox.clientsClaim();

// let Workbox handle our precache list
workbox.precaching.precacheAndRoute(self.__precacheManifest);

// use `networkFirst` strategy for `*.html`, like all my posts
workbox.routing.registerRoute(
  /\.html$/,
  workbox.strategies.networkFirst()
);

// use `cacheFirst` strategy for images
workbox.routing.registerRoute(
  /assets\/(img|icons|css)/,
  workbox.strategies.cacheFirst()
);
workbox.routing.registerRoute(
  /videos/,
  workbox.strategies.cacheFirst()
);
workbox.routing.registerRoute(
  /images\/(posts|pages)/,
  workbox.strategies.cacheFirst()
);
// third party files
workbox.routing.registerRoute(
  /^https?:\/\/media.basspistol.com/,
  workbox.strategies.staleWhileRevalidate()
);