The influence links 13 of quality main factors

Google values what kind of link more, link taller weight to what kind of, why?

Link character
Link character contains a keyword, keyword and search word identical or close.

Link put position
Page head is heavy, middle take second place, page base is the smallest, the middle from make toward right weight ordinal reduce.

Link page PR
PR is taller, the link is more valuable.

Link site degree of belief (TrustRank)
Link website degree of belief is taller, the link is more valuable.

Link means (literal link, picture link, still be JS link)
The character is linked > the picture is linked > JS is linked (JS link has quite little share only can by Google capture)

Link existence time length
Link existence time is too short be being identified easily by Google is congenial behavior, weight can be reduced.

Use Nofollow
Use Nofollow, link won’t by engine capture.

Link and be linked page content dependency
Dependency is stronger, link value is higher.

Link website and by the dependency of link page
Both dependency is taller, link value is higher also.

Link and link surround literal dependency
Link and link surround literal dependency is taller, link value is higher.

Two websites had become a link before
If had had a link, the link value later can be reduced.

Lead plane IP
If two websites are below IP of same lead plane, link value can be reduced.

Register information
If two domain names register information similar, link value can be reduced.