In another episode of Whiteboard Friday, Matt Cutts talks about nofollows. He explains what SEO experts should do when sites have many nofollows. "If it's within your own site, and on pages that you
trust, it's good to let that PageRank flow," he says. "The best time to use nofollows is when you have links to external sites you can't vouch for or don't really trust."
Cutts says
if you're doing paid links, use nofollows to make sure they don't flow PageRank. On your own site, Cutts recommends not having nofollow tags to allow Google bots to crawl through and index the pages.
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