Add an external cron-job: cron-job.org
Using an external cron-job service like cron-job.org is the easiest solution to creating cron-jobs quickly.
Are you hosted on SiteGround?
cron-job.org no longer works for SiteGround, please use the SiteGround method instead!
Create an account.
Once you’ve created an account, go through their email confirmation process and log in.
Go to the Members Area
Navigate to the "Members" page.
Create a new cron-job
Navigate to the cronjobs page in the member's area and click Create cronjob.
Add cron-job settings
Add the settings for the cron-job by following the image below.
Title: Your site title Address: https://mysite.com/wp-cron.php (replace with your site) Schedule: Every 1 minute(s)
Create the job and you’re finished.
Whitelist cron-job.org IP addresses
Some hosts may block traffic from cron-job.org or perceive the consistent requests as an attack. To prevent this you should ask your host to whitelist the following IP addresses.