Some conclusions from query reverse link

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Backlinks are a very important factor in determining a site's ranking in search engines, so it is necessary to explore it. The following is a summary of Chelainton in the SEO practice of several conclusions:

1, search engine in the page will be included in the page of the Link Analysis index.

2, search engine reverse link has certain renewal period. For example, you find a link to a Web site by looking for a link to your site, open the site and find no link to your site. This is because the search engine's reverse link data has not been updated.

3, several major search engines to find out the reverse link number is very large. In general, the number of Sogou, Yahoo Second, Google second, Baidu at least. As for Google and Baidu reverse link number why and the actual difference so much, I have not yet figured out. Have to know the friends to share under.

4, just like search engines can not include all the pages, search engines can not index all the reverse link. Therefore the number of backlinks indexed < actual reverse links. This prompts us to do the reverse chain, to be able to be indexed by the search engine page to do, if you do reverse link page is not indexed, your chain for SE does not exist.

5, link analysis is an important factor in each search engine ranking algorithm, each search engine should only be on their link to the reverse link analysis.

6, link after the reverse link has a sort, reverse link sorting is determined by what?

7, the image of the img tag src attribute if there is a URL to your site, will be some search engines think is a reverse link.

8, reverse link construction to pay attention to the factors: Linked sites and links to the site relevance, link location, link anchor text, link the quality of the site, the number of export links, links around the text and so on.