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Added: 10.08.2021 12:10:37 Last updated: 10.08.2021 13:47:41
WP-Cron is a built-in cron job (wp-cron.php) in WordPress that is used for several different tasks.
Below are some examples of things WP-Cron does:
WP-Cron is a web-based system and runs every time someone visits the website. This is in most cases not a problem and works well in many cases.
Problems with low traffic websites
If you have a website that has little traffic then WP-Cron will not be a good solution. Because WP-Cron does not run without traffic on the website, there will be tasks that does not complete.
Problems with websites with a lot of traffic
If your website has a lot of traffic then WP-Cron could cause a lot of resource usage which in turn could make the website slower for visitors.
If you want to have control over WP-Cron, then you can use inserts for this. For example, the WP Crontrol plugin will show all cron jobs where you can deactivate, run, edit or add cron jobs.
For websites with low and high traffic, we recommend setting up external running of WordPress cron job. Medium-traffic websites can also set up remote running of wp-cron.php.
Read more about how to disable WP-Cron here, as well as set up remote execution of wp-cron.php here.