does anyone know whether the third-party blogs's links are useful for SE or keywords ranking? thanks for sharing all you think of it!
Someone links back to you blog/post and if you have the backlinks turned on you will see other sites that have linked to you in someway. I personally always have this turned off as it causes potential spammers a way to get a free link on your blog. The links are to their own blog and have no relevance to mine - they are using it just to publicise their own blog. Some people says that off page optimization involves generating links from third party websites, but not me