David Ojeda From what I understand: Cache works, but if I go to example.com and load a woff font, I will have to redownload it for your site (doesn't matter if the URL is the same).

This is outdated wisdom, due to security issues: https://www.chromestatus.com/feature/5730772021411840 https://bugzilla.mozilla.org/show_bug.cgi?id=1536058 https://bugs.webkit.org/show_bug.cgi?id=110269 Using the advice in the article is just fine.