本帖最後由 豬農 於 2013-10-20 10:10 編輯 : k l: q, h) u8 o1 o( g! Y
# F3 Z4 F/ X7 s$ @不知道這個話題有沒有已經討論過， Google+1 是否真的目前已經對排名有直接推高的影響，是值得研究一下。這個在樓主此帖 和 TGL 8月的另一貼都出現過了。（當然是國外翻譯來）
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對於 Google+1 目前是否已經對排名直接推高，Google的（發言人）Matt Cutts很快就出來跑到HackerNews上說，非也。他說$ f9 x( L, {2 @: ^% K+ `* C
/ c$ \) |; O. j! J7 KJust trying to decide the politest way to debunk the idea that more Google +1s lead to higher Google web rankings.
他繼續說這些不是谷歌信號：
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If you make compelling content, people will link to it, like it, share it on Facebook, +1 it, etc. But that doesn't mean that Google is using those signals in our ranking.
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8 ]0 K; t4 Z2 l r! n0 |) ERather than chasing +1s of content, your time is much better spent making great content.
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Suffice it to say that I would be very skeptical of anyone who claimed that more +1s led to a higher search ranking in Google's web results., c6 V0 |; E0 i
1 x% d6 O7 Y1 B( ~: |: p( LMost of the initial discussion on this thread seemed to take from the blog post the idea that more Google +1s led to higher web ranking. I wanted to preemptively tackle that perception.
& @1 z* c0 I- o順便說一下，以前Facebook Shares也被認為有類似的效果，同樣被Cutts否定。但是後來有人提出，有+1 並非是壞事，因為，既然你的東西受歡迎，鏈多鏈高質鏈自然，排名靠前，讀者多，自然也會有更多 +1，facebook shares 等 （correlation），谷歌的算法看上去更自然。但目前，其+1數量多少並非「直接」推高排名（causation)。關鍵是」直接「二字, 間接的效果很可能有(indirectly promote links, tweets and other signals)，這裡就不詳述了。
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% _0 o: k( W' ^' R/ U+ t因此看來，對於+1 ，圖表所表示的僅僅是correlation，而非causation。5 `5 j7 C5 H2 X7 L3 _* ^
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發表於 2013-10-19 15:18:37
