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Thank you Dan for the advice. I will do that and see what is happening by Monday. Have a good weekend.

I am simply using the Facebook's widget. I am not using any WP plugin for the comments.

Dan, what I meant was that I accepted a guest post which is linking to this Fire Protection website. I believe who are behind this website are the ones creating these growing number of nofollow ping backs with the same Home Safety article all over the web. I believe they are creating a link wheel. If this is the case I don't understand why they use "nofollow attributes".

I contacted the guest post source - which is a link building agency - and they deny having anything to do with this. Maybe their client, the Fire Protection company is directly behind it. I am not sure.

Ben my concern is that these are from low quality sites. It might be matter where your links are coming from. It might hurt us in the long run. If, like you are saying, these links are worthless then why have them at all? It will still count towards our overall links but it will increase the number of nofollow vs. follow links. How can we be sure that this will be ok?

I understand that I can't control all the inbound links but I don't know where this will end. I am still getting the ping back requests, I am not sure how many more places they will post the same article linking to us. So far we have 20 since yesterday.

I think I figured it out. The post all these websites are linking to is a guest article. I believe the writter of the guest article is creating a "link wheel", linking to us from all direction. (Although I don't understand the nofollow attributes). Ironically it's a link building agency.

Should I let this be or delete the guest article all together?