Do-Follow or No-Follow for Improved SEO?

This is an iffy topic. Should bloggers enable "Do-follow for SEO," or protect their blogs by using "No-follow for SEO?" Ms. Ileane from BasicBlogTips.com discusses this on YouTube. It's highly recommended that bloggers seeking to improve long-term search engine optimization should enable [no follow for SEO], especially for the purpose of improving commissions from marketing affiliate programs.
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