Set up automatic backups by backing up both your site files and your database on a schedule, sending copies to off-site storage, keeping several older versions, and testing a restore before you need one. A backup that misses the database, stays on the same server, or has never been restored is not a safety net.

A complete backup has two parts. Site files include your code, themes, uploads, images, and configuration files. The database holds your posts, pages, users, settings, and comments. Restoring only one part leaves a broken site, so every scheduled job must capture both.

Follow the 3-2-1 rule. Keep three copies of your data: the live site plus two backups. Store them on two different types of storage, such as the server and cloud storage. Keep one copy off-site, so a server failure, a hacked account, or a fire in one location cannot take every copy at once.

Choose the method that fits your site. If your host offers automatic daily backups, check the schedule, how long copies are kept, and whether you can download them. If those backups stay on the host's own servers, treat them as one copy only. For a site you manage yourself, a plugin or a small cron script that copies files and exports the database to cloud storage does the same job.

Set the schedule by how often the site changes. A blog that changes weekly can use a weekly full backup with daily database backups. A shop or a site with daily orders needs daily full backups. Take an extra backup before every update, theme change, or migration, because updates are the most common moment when a restore is needed.

Worked example: take a small site with 850 megabytes of files and a 120 megabyte database. One full backup is 850 plus 120, which is 970 megabytes. Keeping four weekly full backups needs 4 times 970 megabytes, which is 3,880 megabytes. Add daily incremental backups averaging 25 megabytes for 30 days, which is 750 megabytes. The total is 3,880 plus 750, which is 4,630 megabytes, about 4.63 gigabytes. That arithmetic tells you the storage plan before you buy it, instead of discovering the cost after the first month.

Set retention so several older versions survive. Keep at least four weekly full backups, so a problem discovered two weeks late still has a clean copy to restore. Delete old backups on a schedule, or storage costs grow without limit and old, possibly compromised copies linger.

Test the restore on a staging site every few months. A restore test proves three things: the backup files are complete, the database export is readable, and you know the steps under pressure. A backup you have never restored is a guess, and the worst time to discover a guess is during an outage.

Avoid four common mistakes. Do not store backups only on the same server as the live site. Do not keep only one copy. Do not run large backups during peak traffic hours, when they can slow the site or time out. Do not skip the database, even for a site that looks like static pages, because settings and content often live there.

Q: What should a website backup include?

A: Both the site files and the database, because files alone lack your posts and settings, and a database alone lacks your code, themes, and uploads.

Q: How often should a small website back up?

A: Weekly full backups suit a blog that changes weekly, daily backups suit a shop or a site with daily orders, and every site should take an extra backup before an update.

Q: Why should backups be stored off-site?

A: Because a backup on the same server is lost in the same server failure, hack, or account loss that takes the live site, while an off-site copy survives it.

Q: How do I know a backup actually works?

A: Restore it to a staging site every few months and check that the pages, images, and settings all appear, since an untested backup is only a guess.