WP-Cron executes specific tasks for WordPress sites. The name Cron comes from the Unix/Linux service Cron, typically used to schedule commands or scripts.
This post shows you how to disable the internal WordPress cron.
Understanding WordPress Cron Job
WP-Cron, by default, only runs when someone visits your site. Whenever someone visits your site, WP-Cron checks if there are any scheduled tasks to be run. If it finds that a task’s scheduled time has been met, it will go ahead and run that task.
WP-Cron problems With Low Traffic Sites
Low traffic WordPress sites may experience skipped tasks when this feature is triggered by visitors. If people aren’t visiting your site, WP-Cron can’t execute. This doesn’t necessarily mean your page will be slow from previous jobs when someone eventually does visit your site. Tasks are run in the background, this is perfect, but depending on the task and its database aggressivity, the user browsing your site can have a bad experience.
If you’re a Wetopi client, we already have done this for you. At wetopi we run the wp-cron from an external cron service every 20 seconds.
Otherwise, first thing you have to do is to disable WP-Cron’s internal processing:
Add the following line to your
By disabling WP-Cron, you have turned off the automatic checking and calling of the
wp-cron.php script. You will now have to call that URL using an external service.
Calling WP-Cron Externally
Once your internal WordPress cron is disabled you have to execute the
wp-cron.php script by calling
If you don’t have a cron scheduler in your panel, You can set up an account in one of those free cron services:
Creating a single job that calls your site’s
https://yourdomain.com/wp-cron.php script every 5 minutes is all you should need. WP-Cron will take care of the rest.
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