So, how to ping your blog and what is ping service? Ping services - services that informs search engines that your blog has new publications. After ping, search engine robots quickly crawl your new articles to index them.
If your blog on Wordpress, go to: Options - Writing - Update Services - in the end you will find a list with ping services for pinging your blog.
I want to share with you my list of 100 ping services. Some of them are blog-catalogs pinging services, so first you need to add your blog to that catalogs. To ping your blog, just follow the links.
100 Ping Services List:
http://1470.net/api/ping
http://a2b.cc/setloc/bp.a2b
http://api.feedster.com/ping
http://api.moreover.com/RPC2
http://api.moreover.com/ping
http://api.my.yahoo.com/RPC2
http://api.my.yahoo.com/rss/ping
http://bitacoles.net/ping.php
http://bitacoras.net/ping
http://blogdb.jp/xmlrpc
http://blogdigger.com/RPC2
http://blogmatcher.com/u.php
http://blogoole.com/ping
http://blogoon.net/ping
http://blogpeople.net/servlet/weblogUpdates
http://blogshares.com/rpc.php
http://blogsnow.com/ping
http://blogstreet.com/xrbin/xmlrpc.cgi
http://blog.goo.ne.jp/XMLRPC
http://bulkfeeds.net/rpc
http://coreblog.org/ping
http://lasermemory.com/lsrpc
http://mod-pubsub.org/kn_apps/blogchatter/ping.php
http://newsisfree.com/xmlrpctest.php
http://ping.amagle.com
http://ping.bitacoras.com
http://ping.blo.gs
http://ping.bloggers.jp/rpc
http://ping.blogmura.jp/rpc
http://ping.cocolog-nifty.com/xmlrpc
http://ping.exblog.jp/xmlrpc
http://ping.feedburner.com
http://ping.myblog.jp
http://ping.rootblog.com/rpc.php
http://ping.syndic8.com/xmlrpc.php
http://ping.weblogalot.com/rpc.php
http://ping.weblogs.se
http://pingoat.com/goat/RPC2
http://rcs.datashed.net/RPC2
http://rpc.blogbuzzmachine.com/RPC2
http://rpc.blogrolling.com/pinger
http://rpc.pingomatic.com/
http://rpc.technorati.com/rpc/ping
http://rpc.weblogs.com/RPC2
http://snipsnap.org/RPC2
http://trackback.bakeinu.jp/bakeping.php
http://topicexchange.com/RPC2
http://weblogues.com/RPC
http://xping.pubsub.com/ping
http://xmlrpc.blogg.de
http://bblog.com/ping.php
http://blogbot.dk/io/xml-rpc.php
http://catapings.com/ping.php
http://effbot.org/rpc/ping.cgi
http://thingamablog.sourceforge.net/ping.php
http://blogsearch.google.com/pingRPC2
http://rpc.newsgator.com
http://newsisfree.com/RPCCloud
http://mod-pubsub.org/ping.php
http://pingqueue.com/rpc
http://rpc.britblog.com
http://services.newsgator.com/ngws/xmlrpcping.aspx
http://holycowdude.com/rpc/ping
http://wasalive.com/ping
http://blogpeople.net/servlet/weblogUpdates
http://blogsearch.google.com/pingRPC2nd
http://api.my.yahoo.com/rpc2
http://pinger.blogflux.com/rpc
http://rpc.icerocket.com:10080
http://blog.goo.ne.jp/xmlrpc
http://pingoat.com/goat/rpc2
http://rcs.datashed.net/rpc2
http://rpc.blogbuzzmachine.com/rpc2
http://newsisfree.com/rpccloud
http://queerfilter.com/ping
http://weblogues.com/rpc
http://api.mw.net.tw/RPC2
http://api.my.yahoo.com/ping
http://blogsdominicanos.com/ping
http://blogsearch.google.co.uk/pingRPC2
http://blogsearch.google.us/pingRPC2
http://feedsky.com/api/RPC2
http://fgiasson.com/pings/ping.php
http://focuslook.com/ping.php
http://holycowdude.com/rpc/ping
http://imblogs.net/ping
http://ping.blogg.de
http://ping.blogs.yandex.ru/RPC2
http://ping.fakapster.com/rpc
http://ping.wordblog.de
http://pinger.onejavastreet.com
http://rpc.tailrank.com/feedburner/RPC2
http://rpc.wpkeys.com
http://rssfeeds.com/suggest_wizzard.php
http://rssfwd.com/xmlrpc/api
http://signup.alerts.msn.com/alerts-PREP/submitPingExtended.doz
http://weblogalot.com/ping
http://xianguo.com/xmlrpc/ping.php
http://zhuaxia.com/rpc/server.php
http://focuslook.com/ping