nofollow 149
YouTube, a Google company, uses nofollow on a number of internal 'help' and 'share' links.[27]
Criticism
Employment of the nofollow attribute by Wikipedia on all external links has been criticized for not passing the
deserved rank to referenced pages which are the original source of each Wikipedia article's content. This was done to
combat spamdexing on Wikipedia pages, which are an otherwise tempting target for spammers as Wikipedia is a
very high ranking site on most search engines. It's argued that the referencing Wikipedia article may show in search
results before its own sources; this may be seen as unfair and discourage contributions.[28][29]
Use of nofollow where comments or other user content is posted (e.g. Wikipedia) not only depreciates the links of
spammers but also of users that might be constructively contributing to a discussion, and preventing such legitimate
links from influencing the page ranking of the websites they target.[30]References
[ 1 ]"The nofollow Attribute and SEO" (http:/ / http://www. published-articles. com/ Art/ 18844/ 136/ The-nofollow-Attribute-and-SEO. html).
Published-Articles.com. May 22, 2009.. Retrieved September 8, 2009.
[ 2 ]rel="nofollow" Specification (http:/ / microformats. org/ wiki/ rel-nofollow), Microformats.org, retrieved June 17, 2007
[ 3 ][[W3C (http:/ / http://www. w3. org/ Consortium/ Patent-Policy-20040205/ )] Patent Policy 20040205],W3.ORG
[ 4 ]W3C (December 24, 1999), HTML 4.01 Specification (http:/ / http://www. w3. org/ TR/ REC-html40/ struct/ links. html#adef-rel), W3C.org,
retrieved May 29, 2007
[ 5 ]Google (January 18, 2006), Preventing comment spam (http:/ / googleblog. blogspot. com/ 2005/ 01/ preventing-comment-spam. html),
Official Google Blog, retrieved on May 29, 2007
[ 6 ]Microsoft (June 3, 2008), Bing.com (http:/ / http://www. bing. com/ community/ blogs/ webmaster/ archive/ 2008/ 06/ 03/
robots-exclusion-protocol-joining-together-to-provide-better-documentation. aspx), "Bing Community", retrieved on June 11, 2009
[ 7 ]Loren Baker (April 29, 2007), How Google, Yahoo & Ask.com Treat the No Follow Link Attribute (http:/ / http://www. searchenginejournal. com/
how-google-yahoo-askcom-treat-the-no-follow-link-attribute/ 4801/ ), Search Engine Journal, retrieved May 29, 2007
[ 8 ]Michael Duz (December 2, 2006), rel=”nofollow” Google, Yahoo and MSN (http:/ / http://www. seo-blog. com/ rel-nofollow. php), SEO Blog,
retrieved May 29, 2007
[ 9 ]Rel Nofollow Test (http:/ / http://www. bubub. org/ rel_nofollow_test. html) from August 2007
[ 10 ]"Webmasters" (http:/ / about. ask. com/ en/ docs/ about/ webmasters. shtml#10). About Ask.com.. Retrieved 2012-01-09.
[ 11 ]Google Blog (January 18, 2005), (http:/ / googleblog. blogspot. com/ 2005/ 01/ preventing-comment-spam. html), The Official Google Blog,
retrieved September 28, 2010
[ 12 ]Codex Documentation, Nofollow (http:/ / codex. wordpress. org/ Nofollow), Wordpress.org Documentation, retrieved May 29, 2007
[ 13 ]WordPress Plugins, Plugins tagged as Nofollow (http:/ / wordpress. org/ extend/ plugins/ tags/ nofollow), WordPress Extensions, retrieved
March 10, 2008
[ 14 ]Wikipedia (May 29, 2006), Wikipedia Signpost/2006-05-29/Technology report, Wikipedia.org, retrieved May 29, 2007
[ 15 ]Brion Vibber (January 20, 2007), Nofollow back on URL links on en.wikipedia.org articles for now (http:/ / lists. wikimedia. org/ pipermail/
wikien-l/ 2007-January/ 061137. html), Wikimedia List WikiEN-l, retrieved May 29, 2007
[[ 1616 ]]Wikipedia:Wikipedia Signpost/2007-01-22/Nofollow
[ 17 ]John Quinn (September 2, 2009), Recent Changes to NOFOLLOW on External Links (http:/ / blog. digg. com/ ?p=864), Digg the Blog,
retrieved on September 3, 2009
[ 18 ]Loren Baker (November 15, 2007), Social Bookmarking Sites Which Don’t Use NoFollow Bookmarks and Search Engines (http:/ / http://www.
searchenginejournal. com/ social-bookmarking-sites-which-dont-use-nofollow-bookmarks-and-search-engines/ 5985/ ), Search Engine
Journal, retrieved on December 16, 2007
[ 19 ]Philipp Lenssen (April 19, 2007), The Paid Links Economy (http:/ / blog. outer-court. com/ archive/ 2007-04-19-n50. html),Google
Blogoscoped, retrieved June 17, 2007
[ 20 ]Carsten Cumbrowski (May 14th, 2007), Matt Cutts on Paid Links Discussion - Q&A (http:/ / http://www. searchenginejournal. com/
matt-cutts-update-on-paid-links-discussion-qa/ 4907/ ), SearchEngineJournal.com, retrieved June 17, 2007
[ 21 ]October 8, 2007, Eric Enge Interviews Google's Matt Cutts (http:/ / http://www. stonetemple. com/ articles/ interview-matt-cutts. shtml), Stone
Temple Consulting, retrieved on January 20, 2008.
[ 22 ]March 6, 2008, You'd be wise to "nofollow" this dubious advice (http:/ / searchengineland. com/ 080306-083414. php), Search Engine Land.
[ 23 ]June 3, 2008 8 Arguments Against Sculpting PageRank With Nofollow (http:/ / http://www. audettemedia. com/ blog/
arguments-against-nofollow), Audette Media.
[ 24 ]August 29, 2007 Matt Cutts on Nofollow, Links-Per-Page and the Value of Directories (http:/ / http://www. seomoz. org/ blog/
questions-answers-with-googles-spam-guru), SEomoz.