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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.6 k0 c" T; o0 R$ U V
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5 T. B# _) ?$ u; G! M; M3 w' T& }意思就是说,需要有一定程度的输出外链。
8 |5 Q3 o2 N( K但是我有个疑惑," E+ l0 q p9 n) b4 W5 x
1、输出外链,都用 nofollow 吗?
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7 }7 s* B. Q: l+ s" ?2、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?
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! j q$ x( L" I0 o* d: W0 A3、一般大家都怎么操作?! s1 N2 K0 @) ^% I3 @4 D
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