A mathematical illustration, like any other information, has more impact when more people see it, and there is no better vehicle for exposure than a web page, particularly when optimized for social media sharing. I'll describe some simple techniques for creating and sharing such web pages. I'll further focus specifically on sharing interactive 3D models on the web, without writing any Javascript code. Finally, I'll introduce my own free geometry application, vZome, and how it can simplify web publishing of certain kinds of 3D models even further.