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A comment on Testing 3 million hyperlinks, lessons learned. Parent comment
http://stackoverflow.com/questions/427102
http://stackoverflow.com/questions/427102/what-is-a-slug
etc, will all redirect to the canonical:
http://stackoverflow.com/questions/427102/what-is-a-slug-in-...
If the title changes we update the slug and redirect with a 301 to the new canonical
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http://stackoverflow.com/questions/427102
http://stackoverflow.com/questions/427102/what-is-a-slug
etc, will all redirect to the canonical:
http://stackoverflow.com/questions/427102/what-is-a-slug-in-...
If the title changes we update the slug and redirect with a 301 to the new canonical