Sean Fisher

Running a WordPress MU network can be annoying when sites can be submitting different pings lists. The site will allow for a standard ping list for all sites in a WordPress MU instance. Custom ping lists will be disabled for each site and only the Super Administrator will be able to edit the list.
Be sure to follow <a href="http://twitter.com/talkingwithsean/" rel="nofollow ugc">@talkingwithsean</a> for updates!
<h4>New</h4>
<ul>
<li>Nothing</li>
</ul>
<h4>Features</h4>
<ul>
<li>Standard ping lists for all sites in a WPMU instance.</li>
<li>Editing for the ping list is restricted to the Super Administrator.</li>
</ul>
<h3>Help</h3>
For help, checkout http://sean-fisher.com/plugins/.

Network Ping

Running a WordPress MU network can be annoying when sites can be submitting different pings lists. The site will allow for a standard ping list for al …

Lars Koudal

PPinger helps you use your visitors to ping Pingomatic.com that your blog has been updated.
It randomizes between pinging a randomly selected amount of these RSS aggregators:
Weblogs.com 
Blo.gs 
Technorati 
FeedBurner 
Syndic8 
NewsGator 
MyYahoo! 
PubSub.com 
Blogdigger 
BlogStreet 
Moreover 
Weblogalot 
Icerocket 
NewsIsFree 
TopicExchange 
GoogleBlogSearch 
Spinn3r 
Bloglines 
PostRank 
SkyGrid 
Collecta 
Superfeedr
It is a good help for getting new blogs indexed.

PPinger

Pings your blog to Pingomatic using your visitors's IP's at random intervals.

Network Ping vs PPinger