Hi, (sorry for my english skill) If you have more websites such as 100 webs and want to top rank keyword in google. Link diagram use for link those website together to get one way link with difference class C IP. But important google will ban your websites if your network link is fault. Question How do you create network diagram for 100 webs? I know a little bit such as don't link exchange (replical link),link with difference class c and class a is the best.