Caching Issue

I have a new client who is having issues with her PowerPress player. The image artwork is not updating, neither are the styles. See https://joannaweaverbooks.com/2016/10/29/letting-go-try-hard-life-emily-freeman/

I seem to remember having an issue like this in the past and you were able to fix it on your end.

The page I need help with: [log in to see the link]