> When I specify that the font used on my page can be accessed at a particular URL But this is not what you are specifying with Google Fonts (usually). You are

> When I specify that the font used on my page can be accessed at a particular URL But this is not what you are specifying with Google Fonts (usually). You are saying: "To properly see this page, download this instruction file (CSS) from this other host". It doesn't matter if I have the font already installed, I still ask the CSS file to Google.