本帖最后由 猪农 于 2013-10-20 10:10 编辑
不知道这个话题有没有已经讨论过， Google+1 是否真的目前已经对排名有直接推高的影响，是值得研究一下。这个在楼主此帖 和 TGL 8月的另一贴都出现过了。（当然是国外翻译来）
对于 Google+1 目前是否已经对排名直接推高，Google的（发言人）Matt Cutts很快就出来跑到HackerNews上说，非也。他说
Just trying to decide the politest way to debunk the idea that more Google +1s lead to higher Google web rankings.
他继续说这些不是谷歌信号：
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.
Rather than chasing +1s of content, your time is much better spent making great content.
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.
Most 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.
顺便说一下，以前Facebook Shares也被认为有类似的效果，同样被Cutts否定。但是后来有人提出，有+1 并非是坏事，因为，既然你的东西受欢迎，链多链高质链自然，排名靠前，读者多，自然也会有更多 +1，facebook shares 等 （correlation），谷歌的算法看上去更自然。但目前，其+1数量多少并非“直接”推高排名（causation)。关键是”直接“二字, 间接的效果很可能有(indirectly promote links, tweets and other signals)，这里就不详述了。
因此看来，对于+1 ，图表所表示的仅仅是correlation，而非causation。
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发表于 2013-10-8 20:06:30
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