I'm guilty of this--I use a mishmash of ping services from many differing niche lists. In the blog and ping game, sometimes shorter is better:
SOURCE:
http://www.howtospoter.com/web-20/bl...in-performance
Problem.
Based on my research I found that when you Publish your post, system is designed to go through your ping list and notify each service one by one until all notified. As you add more services to your ping list, delay continues to increase to the point that you start seeing time outs on your page. I have experienced it on several occasions and my list is not too big.
And just because WordPress have gone through several version doesn?t mean that problem is gone! In fact, it is still very much present and if you are seeing a delay when you hit that ?Publish? button ? more than likely it could be your issue!
Unfortunately, unless you are using a third-party plugin, such Ultimate Plugins Smart Update Pinger ? you will not be able to know about it, as by default WordPress doesn?t provide you with a log where you can see any errors with your ping list!