Short-cut: If you are developing a new website and see this warning, then simply keep the UpdraftPlus settings page open whilst you back up. You don’t need to read any of the rest!

UpdraftPlus is a WordPress plugin; as such, it relies on WordPress running and handing it the opportunity to do something.

Thus if WordPress does not run, then neither can UpdraftPlus. So, if your website has zero visitors between midnight and 5am, and if your backup is scheduled to run just after midnight, then it won’t actually get to run until a visitor turns up at 5 am.

There is usually no danger of this becoming a problem, because even very unpopular websites tend to get visited by several search engines as long as those search engines are aware of them.

However, if enough of the following factors are present, then your backup may not be able to complete:

  • Your website is not known by search engines
  • Your website has almost no other visitors (e.g. is under development, and only the developer visits it, during office hours)
  • Your webserver only allows code to run for a short time
  • Your website is larger, and is being uploaded to a cloud backup service
  • You schedule backups to run very frequently (e.g. every 4 hours) so that multiple backup jobs may be competing for resources

Another way that this can happen is if your WordPress scheduler has been disabled (you’d usually know if this is so and understand the rest of this paragraph), and you”re instead running the scheduler via an automated task you’ve set up to call wp-cron.php directly. If you only call wp-cron.php once an hour, then this is like just having one visitor per hour as far as WordPress’s scheduler is concerned.

Note: If you were sent to this page by a warning from your copy of UpdraftPlus, then this does not mean for sure that your backups are definitely failing because of this problem – it just means that UpdraftPlus has detected a lack of visitors. It may be that there are still enough. The warning is advisory of a potential problem.

This issue is not a novelty of UpdraftPlus; it is the case for every WordPress backup plugin with scheduled backups.

What are the solutions? Any of these should help:

  • If you’re a developer, or your site was only just launched, then don’t set your backup time to 1 a.m. until after you launch the site and have some visitors and your site is known by search engines.
  • Your web hosting company’s control panel may have the facility to set up automated tasks – you could set up a task to visit the site every 10 minutes. This has no impact on performance. If you want to look at this option, you should ask your web hosting company for help – we can’t provide specific guidance.
  • Sign up with a facility like https://www.pingdom.com/free/ or http://www.easycron.com/tutorials/how-to-set-up-cron-job-for-updraftplus to get some more automated visits to your website.
  • If you’re just developing the site and need a backup *now*, then just keep the UpdraftPlus settings page open – it will make silent visits to the site’s front page in the background every few minutes (UpdraftPlus 1.7.15 and later).
  • Load up the site’s front page and hit “reload” every 5 minutes until the backup has completed.

Posted in: Backing up, Troubleshooting

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UpdraftPlus is a trade mark of Simba Hosting Limited (www.simbahosting.co.uk), UK registered company number: 8570611

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