What is pinging?
Pinging, at least this use of the word, is a way of telling search engines that you’ve written a new post, or you have made an update on your site or blog. A ping is a short data message sent to a ping server, telling it that the blog has been updated [...]

Though I would share a free backlinks tool. This will list you all backlinks to a site, plus show the pagerank of each backlink, and also list nofollow tags, or any other abnormal flags. Plus it shows the number of outbound links on the page that your link was found on. It also gives you [...]