Things that can lower the google PageRank

In this post I assume you already know about Google PageRank. If not, please read the article Google PageRank. One of the SEO techniques is to build strong backlinks to your blog to be the first in google pages. If the stronger backlinks (read: many), then the PageRank also rose.Here will I have to say the things that can lower the PageRank of your blog. Before we discuss, I'll tell you a little