I've got the canonical:<link href=http://www.Site.com/Blog/how-to-know-when-this rel=canonical />Is it ok if this is on the page it is pointing to?Also I'm putting it on all these pages:http://www.Site.com/Blog/how-to-know-when-thishttp://www.Site.com/Blog/how-to-know-when-this/http://www.Site.com/Blog.aspx?ID=1http://www.Site.com/Blog/how-to-know-when-this/?q=Is this correct useage?
Is it ok for a canonical link to point to itself?
canonical url
That's perfectly fine to do. It's just redundant and doesn't do any harm.