chain That batch stationA few compared to the previous
friends do link
add the nofollow attribute in
We all know that
actually introduced above is not the most despicable, somehow somebody else is dark, there is a webmaster is directly out to lie to you, this is no reason to delete your friend chain, second days did you exchange friend chain, he will be arbitrarily canceled with your link, then to create an illusion of spiders, let him think this is a one-way link, so as to give the site a higher weight, but it also means that all easy to recognize, as long as you every day to check the chain OK.