Link Analysis technology and site rankings

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All those who know a little about SEO are aware that links are an important factor in the ranking of websites, but they do not necessarily fully understand which aspects of link analysis affect search engine rankings.

Let me briefly introduce my observations and thoughts today.

First, there are two points to emphasize:

1 The meaning of link analysis technology is much more extensive than that of Google PageRank. Because of Google's aura and the PR of the publicity, so that a lot of people to see the abnormal PR, the PR is the main link analysis, in fact, the search engine links to the analysis of a wide range.

2 link analysis includes import links and export links. Today only talk about the import link, later have time to talk about export links. But it must be clear that the appropriate point to the authoritative site to export links to help the site rankings, rather than many people think, export links will make this page of the PR loss, thus reducing the page rankings.

The search engine's analysis of the import links is likely to include the following:

Number of import links

The importance of the import link itself, which is the importance of linking to your page itself

(These two points also formed a Google PR, but the following factors are not directly related to PR.) )

Reverse Link Increase speed

Reverse link content Theme of the site itself

Whether the content of the page on which the reverse link is related

Link anchor text for backlinks

Reverse link anchor text around text

Where the link is in the page

The age of the domain name of the reverse link

Whether the name of the reverse link has changed hands

The date on which the reverse link was first included in the page

Are there any changes to the page content of the pages on the reverse link?

What is the first time a reverse link appears on the page?

Has the link text changed?

What other sites are linked to the page where the reverse link is located? are the contents of these other sites relevant?

Is there a spam link in the reverse link? such as from the Forum signature, blog and other places.

Link Hits

How long does the user stay on your site after clicking the link

These are just the things I think about, and there must be other search engines to consider the link factor. I hope someone will add

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