关于google PR：PR0 – Google’s PageRank 0 Penalty
http://pr.efactory.de/e-pr0.shtml
PR0 – Google’s PageRank 0 Penalty
By the end of 2001, the Google search engine introduced a new kind of penalt[……]
这是fengyqf的博客
http://pr.efactory.de/e-pr0.shtml
PR0 – Google’s PageRank 0 Penalty
By the end of 2001, the Google search engine introduced a new kind of penalt[……]