Siti che accettano spam
Esperto SEO vi propone una lista di ottimi siti PR4-7 che permettono di spammare al proprio interno:
Here are some PR4-7 websites (mainly wiki’s and some blog posts) that allow spam-backlinks.
http://docs.phplist.com/Documentation
http://www.themeswiki.org/Main_Page
https://github.com/parasew/instiki
http://www.wikiservice.at/dse/wiki.cgi
http://wiki.apache.org/logging/WikiSandBox
http://www.axialis.com/free/icons
http://wiki.macromates.com/Troubleshooting/SnowLeopard
; (i personally deleted all the spam links there while Emanuele reported the situation in their forum… you can still spam by registering and editing that page)
http://magblog.audubon.org/penguin-cam-takes-you-exhibit-hundreds-penguins