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Perverse incentives strike again! Websites that allow links in user-generated content are spammed with user-generated spam links to improve SEO of spam sites, which hurts the site's own reputation because most of the links on it are spam. To avoid this, all sites use nofollow.


As this example shows, by all sites using nofollow, Github is improving the SEO of spam sites.

What the fuck are you talking about?


GitHub doesn't care if spam sites have SEO, as long as GitHub isn't being penalized for linking to them.


Why exactly do you think should GitHub be penalized?

Talk about perverse.




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