Front view only. I tend to freehand 3/4 and profile view, but whenever I get to a front view face I freak out. So here is a way to not freak out. Using all of the guidelines are up to you, I don't always get this specific, but you never know.
DragoArt members upload artwork and drawing tutorials! They are also allowed to leave comments on tutorials, profiles, etc. Many more features, as well; it's way better than just being a boring guest!