Blog link to risk and avoidancerecently updated Google Pagerank of, a lot of PR blog is reduced, and the PR portal has generally increased, PR Ministry of Information Industry filing site more rose to 10, whether such changes indicate that Google is lowering blog site right weight is still a question, but I noticed a lot of great blog content are down right really puzzling, I am here to analyze the risks and blog portal no specific links exist and workarounds. Link is a way to promote mutual between blog sites, usually by blog sites and personal Web site can, with a certain individual, and often do not link to Nike Air Max 95 the portal. If the program does not change the content of the blog Air Jordan 9 and so it may be the reason that Google demoted link on the home page, it is clear links to some of the fraud or spam sites are Google demoted, in addition, there are several possible link exchange risk, require special attention. To link to the site at a heavy exchange links to other sites pay attention to weight, Top Design Nike Air Force 1 Low Womens Red White Shoes to see its Pagerank value, if the value is too low and PR blog or blog by search engines Best Quality Nike Air Force 1 Unisex Blue White Shoes penalize exchange links, search engines would risk the existence of joint and several penalties. Number of linked sites the number of links should not be excessive, number of control in less than 50, too many links search engines will not only not be indexed, but also have a negative impact on the site, if you want more than 50 links, you should add nofollow Javascript form of property or use, or likely to be search engines that are link farms and Cheapest Nike Air Force 1 Mens Black Beige Shoes were demoted or punished. Correlation should add a link to the address of the link of the same type of blog, blog content should be relevant, if the content does not have the relevance that search engines tend to be considered cheating. Even linked sites selling links above conditions are met, there is a risk of exchanging links is selling links. Because most are profitable blog needs to sell some blog links will add some ad networks, ad networks join this tend to be punished Google search engine, Pagerank is cleared even if, and this blog link exchange There may be search engines that are the same ad network Jordan Slide and associated penalties. More than a few risks are controllable, and this risk is not controllable, because usually selling links blog is fairly common and hidden. The last point is that I think the more critical note, Google's site by selling links punishment to achieve the fairness of the search results, but unlike blog portals, most blog needs to earnings and revenue in order to maintain the normal operation of the site, for 2015 Latest Nike Shoes low flow high weights blog, the income selling links than AdSense much higher, if the sales link this road to profitability is blocked, the less traffic blog sites, blog achieve profitability becomes more It is difficult.