How it works...
The default WordPress installation enables pinging using the Allow link notifications from other blogs setting. We started the recipe by enabling it in case you had disabled it before. Once it's enabled, WordPress will start pinging to the services specified in the Writing | Update Services section under the Settings menu. We can add or remove services using this setting for default WordPress pinging features.
Once these services are set up, WordPress will send a ping each time a post is published or updated. So, it will create a large number of pings in sites where the content is updated frequently. In order to prevent frequent pings, we used the WordPress Ping Optimizer plugin. This plugin also allows us to configure the ...
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