Pinging simply refers to notifying search engines that your blog has been updated. By pinging, also you can drive traffic to your blog by notifying your search engines and blog networks.
Search engines detect that your blog has been updated then they crawl and index your blog together with its contents hence notifying hundreds of search engines and blog networks and their directories.
Today, there are many websites out there that offer the service of pinging free of charge. All you need to do is visit the website and perform the pinging.
Below are some of the Ping services I use after updating my blog
All these pinging sites work great to drive huge traffic to your blog. I recommend you to use them all one by one. If you know any other websites that offer such service, share with me in the comment form below.