Pinging is a process by which you can inform major Search Engines and directories (Google, Yahoo, Bing, Pingomatic, Feedburner, Technorati etc) that you have updated your website's content in your Blog/Website. Pinging will help your website getting indexed fast and will increase your traffic a lot.
Here is our free ping my URL tool for you to ping your website or blog. Just put your website URL and title and press the "start pinging" button: