> That likelihood is relatively low (though not as low as JS CDNs). Modern browsers explicitly forbid sharing cache entries across websites; so the likelihood i

> That likelihood is relatively low (though not as low as JS CDNs). Modern browsers explicitly forbid sharing cache entries across websites; so the likelihood is zero now. Even a decade ago when this was common practice, it was absolutely pointless because Google Fonts used to (still does?) set a cache time of only 2hrs.