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The PR value is all called Pagerank,pagerank (page level) is a way for Google to evaluate the importance of a Web page. After blending all the other factors such as the title tag and the keywords logo, Google adjusts the results by PageRank to make those more "important" pages more relevant and quality-enhancing in search results. PR value up to 10, the general PR value of 4, even if it is a good site.
I personally feel to improve the PR value first you have to do more than you do PR site to do the connection, increase the external connection! Especially new station, but the general new station others have PR value is very burning with you connect, see your personal ability, or you and your webmaster friends connect, let them help you exchange links [url] The PR value of the site is important, the number of external links to the site is also an important factor to consider. In the construction of your own site's external links, you should try to find those with high PR value and the number of external links are few sites, and similar to the content of your site. Talent is with talent! So the more external links you have on your site, the higher your PR will be, making your rankings significantly better.
There is a point, the best to find a connection with you almost the same type of site to do, otherwise it is easy to be Baidu does not pay attention to the Alexa world rankings will be reduced, my own site is like that, before and by the way of the site to do the connection, get to Baidu downgrade.