I think this has been shared before, but I didn't know it until today so I guess big chance is that a lot of you don't know this one either; Go to Code: www.academia.edu And sign up as an independent researcher. Confirm your email address, edit your profile and add your websites. Nice thing is you'll get your keywords as anchor text for the links in your sidebar on your profile, however these are n0follow. The links on your status update and on the /Websites page are d0follow. Works best if you take this serious and fill out a profile with interests and add some status updates.