Questions
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Ha, you got it done while I was still typing. Good, thorough answer.
Technical SEO Issues | | MattAntonino0 -
User generated content (Comments) - What impact do they have?
Not what you asked, but other than SEO I would say comments do have an effect. I have heard advertisers say they were looking for sites with comments. Their thinking was they wanted popular sites with followers and they is how they judged it.
Intermediate & Advanced SEO | | SID5600