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Outgoing Links – it has already been two years since Matt Cutts disclosed that outgoing links to authority sites are a positive ranking factor like bad neighborhoods are anegative one. These days some of the most renowned SEOs advise linking out not just for direct ranking benefit, and link out a lot themselves.4 D B5 e0 d9 l+ z# E
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; @/ x/ b/ [" T4 b6 Q( @% m$ p意思就是说,需要有一定程度的输出外链。9 ?) |$ x2 f# W) c) w
但是我有个疑惑,$ R- {9 \! ^( H
1、输出外链,都用 nofollow 吗?; D, ~9 ~' ?$ V9 q9 r- _
/ G3 i4 W7 ]8 y' U0 m2、假如是站群,你输给主站的是dofollow,输给wikipedia的是nofollow,会不会被识别?& P/ N) w+ n$ Z) d, K. i
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3、一般大家都怎么操作?
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