How lovely! Going Offline is in very good company in this list, and Oliver has some nice words to say about it:
Extremely beginner-friendly and approachable, it can be read in half a day and will help you get Service Workers up and running in no time.
But all I want for Christmas is for Shopify to stop enabling Breitbart.
Josh and Michelle have been hard at work making this responsive theme for Shopify. It’s quite lovely.