Should i delete this comments in wordpress? http://www.googleandme.com/2006/10/27/can-use-a-free-domain-with-google-adsense/#comments They link to me but every time they link to me there is a comment. I guess there sites are on auto blogging and they put some kind of script that makes a comment auto as well? Can i delete those comments or are they to any good?
They are what's called pingbacks. I tend to delete them as they offer no help to visitors of your site. They're useful for knowing who's linking to you though.
ahh ok thats why they come all the time i understand. But is it bad or good for page rank to link back to them ?