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Will a link to a disallowed page transfer PageRank?

Will a link to a disallowed page transfer PageRank? - answered by Matt Cutts

Matt's answer:

CUTTS: Steen in Copenhagen asks, “If a page is disallowed in robots.txt, will a link to this page transfer or leak link juice?” So essentially, suppose eBay.com is disallowed in robots.txt, will a link to eBay.com, even though it’s roboted out, will it still collect link juice? And the answer is yes. So in the old days, New York Times, eBay, the California DMV, all of them blocked us with robots.txt. And yet, if someone comes to Google and types in “California DMV,” you want to return the DMV’s homepage. So we solved that by not crawling the page but we could still return the reference. And so, if you see enough people linked to a page, even though it’s roboted out, we can still return that in our search results.

by Matt Cutts - Google's Head of Search Quality Team

 

Original video: