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I remember aviva getting penalized by Google several years ago. hotvsnot sells casino links http://www.hotvsnot.com/Games/Gambling/ this site nofollows http://central-payment-corporation.topcreditcardprocessors.com/ frcafe is a mess chamberofcommerce looks legit but the intermal pages i looked at had no PR

Judging by the code and the link examples you shown above seems to be it.

Hi I don't think the percentage has changed at all. It can vary depending on specific circumstances, but as a default this should be largely consistent. I don't have direct experience with tools to help migrate the content itself (most of my clients have developers do that). You might want to look at this: http://wordpress.org/plugins/wordpress-move/ It depends what the existing site is built with - if it's on a current CMS I'd google "migrate from [cms name] to wordpress". Someone with good database skills could probably do it that way.