Updating or Changing Add-Ons & Preferences after they are cached.
Once you have configured caching and you need to update the Add-ons or change preferences, you might notice that changes you are making in the App admin is not immediately visible on your site, this is because Add-Ons and Preferenes are cached for a duration of 15 minutes. In order to test your changes perform following steps:
Disable the Caching by un-checking the "Cache Add-Ons" checkbox
Visit your home page with an additional parameter of ?upsell-cache-clear appended to your shop url, so for example your shop url is https://www.MyShop.com and visit the Shop using https://www.MyShop.com?upsell-cache-clear
Now your changes made in App admin will appear, once you are done with making changes re-enable caching by checking the "Cache Add-Ons" checkbox