Website correlation
 

The correlation of website, or a lot of people is not very understanding, correlation both for search engine or the user will get very good value. The so-called correlation, reflected not only to the first page and the contents is the same, but most of us is to return home page link, and do all the training site also need to change your internal links. But no matter in the home is the inside pages, friendship link to web sites that industry selective, or in the training management industry shall prevail, so links don't change some related industry, because it can cause the user of the site aversion and the search engine's wrong judgment.