The article seems to suggest that with fonts.googleapis.com, the font is served from common domain and cached for 1-year (by default). So, all sites using the same font inclusion logic may have to load from cache quickly. Am I missing anything here?
This css file stops the parser till it is loaded and when connectivity to Google is an issue it hangs the loading of sites. See http://www.igvita.com/2012/06/14/debunking-responsive-css-pe...