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Links in the past is only in the Web site in the link, since there is a search engine after the quality of the link to such a thing, on the search engine for high link quality has a few points.
1 link text in the Web page description, description and so on, and the site key keywords, such as long tail keyword.
2 link text in the page position, from top to bottom, search engines are indexed sequentially.
3 link on the site of the PR value, do stand know this bar.
4 Link site weight, the so-called weight is the search engine for the station's friendliness, usually, Portal > industry website > Professional website > General website > Company website ... There is such a weight relationship from big to small.
5 There is the way to link, in general, text links > Pictures link >js links ... It is best to do text link good, JS link search engine is not very like, picture links are mainly the reasons for the beautiful web pages.
6 link time problem, PR update also has a certain time, so there must be a certain time, to the weight of the site to improve.
7 Site content relevance, if not related to 2 sites do link, also may reduce the weight, if 2 of the content of the site is very good, the weight to improve very helpful.
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