Directory / plugin
PPinger
v3.1 · by Lars Koudal
Pings your blog to Pingomatic using your visitors's IP's at random intervals.
About this plugin
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.