Google Ping :
It is one of the best ranked site. It is moderate by Google and easy to ping websites out there for your sites.
IMT-Website-Submitter:
It is a old popular top ranking sites to ping your sites in different to 2500 sites.
PingMyUrl:
It is a common and popular site who provides to index your site in different 1653 directories and sites.
Pingler:
One of the most popular pinging sites, Pingler is an old favorite Site.
Ping-O-Matic:
This site provides a service to update different search engines that your website has been updated.
Ping Farm:
This is a free ping service which notifies Search Engines that your blog or website has been updated. It�s pretty straightforward and isn�t too fulfilled .
Feed Shark:
Feed Shark is a free online tool that easily promotes your blog or website by sending a ping to its partner sites.
Pingoat:
Pingoat is a service that pings or notifies a number of services that keep track of weblogs and publish them..
Pingates:
Pingates Ping your blog or website to 40+ search engines and services that keep track of blogs/sites and publish them appropriately.
PingMyBlog:
PingMyBlog notify all the major blog directories in one go so that everyone knows about your latest blog post and website update.
EmoticonEmoticon