What is rpc.pingomatic.com in WordPress ?
This way, search engines can include your update in their search results almost immediately after you’ve posted it.
But you don’t always want this to happen right away. Maybe you want it to be included in the search results a bit later. In this case, it’s good to know that you can easily deactivate these notifications to Ping-o-matic. In WordPress you go to Settings > Writing and you remove the address http://rpc.pingomatic.com/ from the text field below ‘Update Services’.
Please note that you only prevent your messages from being sent to search engines immediately. Your messages will still be indexed, but at a later time (because search engines also visit your website on their own). Do you not want your website to appear in the search results at all? Then go to Settings > Reading and check the box at the bottom: ‘Discourage search engines from indexing this site. “Source”
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