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I'm trying to use the On-Page report card and it's saying that my rel=canonical is wrong, I've looked and I can't see anything wrong with it, am I missing something? The url is www.harrisonlighting.co.uk/childrens-lights.html

Should I add NOFOLLOW to the links in the footer of my site like "about us", "Contact us" etc because they are in the footer they are on every page so would this harm SEO in any way?