http://codex.wordpress.org/Update_Services
Certain web hosts – particularly free ones – disable the PHP functions used to alert update services. If your web host prevents pings, you should stop WordPress from attempting to ping and consider using the Feedburner Pingshot service.
XML-RPC Ping Services
http://rpc.pingomatic.com http://rpc.twingly.com http://api.feedster.com/ping http://api.moreover.com/RPC2 http://api.moreover.com/ping http://www.blogdigger.com/RPC2 http://www.blogshares.com/rpc.php http://www.blogsnow.com/ping http://www.blogstreet.com/xrbin/xmlrpc.cgi http://bulkfeeds.net/rpc http://www.newsisfree.com/xmlrpctest.php http://ping.blo.gs/ http://ping.feedburner.com http://ping.syndic8.com/xmlrpc.php http://ping.weblogalot.com/rpc.php http://rpc.blogrolling.com/pinger/ http://rpc.technorati.com/rpc/ping http://rpc.weblogs.com/RPC2 http://www.feedsubmitter.com http://blo.gs/ping.php http://www.pingerati.net http://www.pingmyblog.com http://geourl.org/ping http://ipings.com http://www.weblogalot.com/ping
Alternatives
- An alternative is Feed Shark, which pings over 60 services for free.
- Feedburner users can use the Feedburner Pingshot service, which will alert most popular ping services.
- If you’re interested in manual configuration, have a look at the WordPress compressed ping list.
- Check Vladimir’s WordPress Ping List, manually checked and updated