If you are digging for links, this article I can across deserves a full read-through.. It addresses why most link trade requests are rejected, and how large website owners think and operate. http://websitehelpers.com/seo/why-you-didnt-get-link.html PS. I have no association with link. Just a good read
Nice share. Quite useful and surely worth the read. According to me the following point they've added is amongst the most important and is not implemented most of the times by people requesting for link exchanges.