If you are talking about CRON (not inclined in the Russian language), as a scheduler application, then the question is not entirely clear, namely, what will you run if the scheduler is on a different machine from hosting the site?
Website on the Internet does not require a launch (depending on the implementation). He just is! Perhaps you mean some kind of individual functionality? Clarify the question and I will update the answer :)
UPD :
Visiting a specific URL can be configured in the monitoring, for example, in free or shareware. Try setting up a Site24x7 . After registration, you can set up 5 "monitors" for free. If you create WebSite Monitor , the robot will check the specified URL once at a specified time. In addition, if an error occurs in your php code, Site24x7 will report it by mail.
Please note that monitoring the URL may not occur strictly once every 10 minutes (if you specify this time), but with some error.
sleepfor the desired period of inactivity. The second option is to periodically automatically access this script. For this you can use the appropriate services. - Regent