You've just read How to lose Weight in the Browser and you want to know to slim down your Mojo app. Part of that process is preventing the browser from requesting files that hardly change. I spent a well-caffeinated afternoon trying to do that with Mojolicious. I've been 'round the houses, and spoiler alert I didn't find the answer until the very end, kind of like your favourite Christmas animated special with a small woodland creature narrating "The Gruffalo's HTTP header".
A Children's Story
The secret, of course, is to set the
Cache-Control field of the HTTP header, but how?