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I remember I read somewhere before that Google ignores those links at the footer especially if they are site wide.
What about Blogroll site wide links? Will google ignore those too? Will you lose more or less PageRank if your Blogroll is site wide compared to just Blogroll on Homepage only?
The original PageRank formula is not what Google uses these days, though they haven't shared specific details about the changes. It's possible that the changes addressed this bleeding effect, since it doesn't make miuch sense to hurt a website for linking out.