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Apr 13, 2017 at 12:33 history edited CommunityBot
replaced http://webmasters.stackexchange.com/ with https://webmasters.stackexchange.com/
Dec 21, 2016 at 16:59 history edited Ilmari Karonen CC BY-SA 3.0
deleted 8 characters in body
Dec 21, 2016 at 16:58 comment added Ilmari Karonen @GDav: Just in case you were one of the people who downvoted this answer because I originally claimed (citing Matt Cutts) that 301 redirects only lose "just a tiny little bit" of PageRank, I thought I'd point out that the "tiny little bit" is apparently now 0%. I've edited my answer to update it.
Dec 21, 2016 at 16:46 history edited Ilmari Karonen CC BY-SA 3.0
301 redirects are now confirmed to pass full pagerank
Sep 24, 2012 at 17:20 comment added GDVS .85 is the damping factor cited in the original PageRank formula, and a Google engineer has confirmed there is a decay of PR via redirect, so we could reasonably infer that the same factor is used for 301s. Obv. that's speculative, but not outlandishly so. en.wikipedia.org/wiki/PageRank#Damping_factor, seroundtable.com/archives/021832.html
Sep 24, 2012 at 16:57 comment added Ilmari Karonen @GDav: That .85 would be a pretty huge drop, if true. Any sources for that?
Sep 24, 2012 at 16:27 comment added GDVS As pointed out above, there are ways of providing desired functionality without redirects. Redirect damping factor reputed to be .85, so shaving more than "tiny" fraction. Also unnecessarily increases page load time, server load, etc.
Jun 30, 2012 at 13:37 history answered Ilmari Karonen CC BY-SA 3.0