google fonts don't work

Just installed the W3 total cache plug-in. Impressed with the speed increase but I am using google fonts on the site and now they are not working. Any idea what I need to do to get them back? I’m not super technical so hopefully it is just a setting that needs to be adjusted. I followed the reccomendations for settings on the GTMetrix site.
Thanks!

https://www.ads-software.com/extend/plugins/w3-total-cache/