Google+がSNSでなくSEO対策で注目すべきnofollow属性

1. Google
<a>
<a> <a>
<a>
<a>
<a> nofollow nofollow
<a> <a>
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2. rel=”nofollow”
http://support.google.com/webmasters/bin/answer.py?hl=ja&answer=96569
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3. nofollow
http://ameblo.jp/enspire/entry-10964545479.html
<a href="http://www.enspire.co.jp" target="_blank">
http://www.enspire.co.jp</a>
<a rel="nofollow" href="http://
www.facebook.com/ohnobuono"
target="_blank">Masumi</a>
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4. nofollow
http://enspire.cocolog-nifty.com/blog/2011/07/facebook-33c8.html
<a href="http://www.enspire.co.jp"
target="_blank">
http://www.enspire.co.jp</a></p>
<a rel="nofollow" target="_blank" title="http://shohei.tenkomori.tv/" href="http://
app.f.cocolog-nifty.com/t/comments?
__mode=red&amp;user_id=1197686&amp;id=84554203"> </a>
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5. Twitter nofollow
https://twitter.com/#!/1hansoku/status/162051384919867392
…
<a data-expanded-
url="http://ow.ly/8Fn7B" class="twitter-timeline-link"href="http://t.co/2HP97Md4"
rel="nofollow" class="twitter-timeline-link">ow.ly/8Fn7B</a>
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6. Twitter nofollow
http://twitter.com/1hansoku http://twilog.org/1hansoku
https://twitter.com/#!/1hansoku/
status/162051384919867392
Twitter
…
<a href="http://ow.ly/8Fn7B"
target="_blank">http://ow.ly/8Fn7B</a>
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7. Facebook nofollow
https://www.facebook.com/enspire.co.jp/posts/366869750006418
Facebook × 100 ○ 100 <br /> <a href="http://ameblo.jp/
enspire/entry-11144568669.html" target="_blank" rel="nofollow nofollow"
onmousedown="UntrustedLink.bootstrap($(this), &quot;FAQGsa5nxAQFM9IM2bgEEh9XnL-
AAaIWokLwiwjXTeKgRrQ&quot;, event, bagof(null));">http://ameblo.jp/enspire/
entry-11144568669.html</a>
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8. Facebook facebook.com nofollow
https://www.facebook.com/enspire.co.jp/posts/366869750006418
<a href="https://www.facebook.com/enspire.co.jp" data-hovercard="/ajax/hovercard/
page.php?id=116772171698064"> </a>
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9. Google+
https://plus.google.com/u/1/116685031854720807098/posts/D89tSBQQUWX
<a href="http://ameblo.jp/enspire/entry-11144568669.html" class="ot-anchor">
http://ameblo.jp/enspire/entry-11144568669.html</a>
<br> ( )<br>
<a href="http://www.youtube.com/watch?v=vNOE_kZmE2A" class="ot-anchor B-u-Y-j">
Facebook 100 ! 100 ! </a>
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10. Google+ +1
https://plus.google.com/u/1/107018739073675723645/posts/hBKxthmqg3b
<div class="B-u-Y"><a href="http://ameblo.jp/enspire/
entry-11144568669.html" class="ot-anchor B-u-Y-j">
Facebook × 100 ○ 100
</a></div>
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11. YouTube Google nofollow
http://www.youtube.com/watch?v=FiPgjzp2WJQ
<a href="http://ameblo.jp/
enspire/
entry-11145602782.html"
target="_blank"
title="http://ameblo.jp/
enspire/
entry-11145602782.html"
rel="nofollow"
dir="ltr" class="yt-uix-
redirect-link">http://
ameblo.jp/enspire/
entry-11145602782.html<
/a>
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12. http://ameblo.jp/enspire/
Facebook
↓
https://www.facebook.com/enspire.co.jp
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