Automation of crucial tasks is what cron jobs do. However, the potential scheduler failures can bring in some serious problems. UptimeRobot solves this by a technique of monitoring cron jobs and by using a Heartbeat Monitor, it will alert you in case a job fails. Just make a monitor, put the URL, which is given from your cron scriptand, the forth being and receive instant notification... https://webstatus247.com/cronjob-monitoring