We always want our blog posts to get indexed by Search Engines as soon as possible. Typically we have to wait for Search Engine bots to crawl our posts and index them.
But there’s a better way – Using ping services.
A ping list is a list of servers that WordPress informs whenever you publish a new page on your WordPress website or blog.WordPress automatically notifies popular Update Services that you’ve updated your blog by sending an XML-RPC ping each time you create or update a post.
According to Wikipedia,
A ping list is an XML-RPC-based push mechanism by which a weblog notifies a server that its content has been updated. An XML-RPC signal is [...]