Backup
A backup is a saved copy of data, files, or an entire system that can be restored later if something goes wrong.
In WordPress and site operations, backups are one of the main safety mechanisms for protecting content, media, configuration, and the database.
What it does
Backups reduce recovery risk when systems fail or changes go badly.
They are commonly used to:
- Restore a site after an error or outage
- Recover deleted or corrupted data
- Create rollback points before updates or deployments
- Move systems between environments
- Store copies of important site states off-server
Core concepts
Point-in-time copy
A backup captures a system or dataset at a specific moment in time.
That means it reflects the state of the files and data when the backup was created, not the current live state.
Files and database
For websites, a usable backup often includes both application files and the database.
In WordPress, both matter.
Storage location
Backups can be stored locally, on another server, or in cloud services such as Backblaze.
Common use cases
- Pre-update safety snapshots
- Disaster recovery
- Website restoration
- Off-site archival
- Preparing for a migration
Practical notes
- A backup is only useful if it can actually be restored.
- Good backup workflows include retention, testing, and off-site storage.
- For WordPress sites, tools such as AIOWPM are often used to package and restore site backups.
- Backups and staging environments solve different problems: backup is recovery, staging is safe testing.
Sources Used
- https://www.backblaze.com/computer-backup/docs/about-backblaze-computer-backup
- https://www.backblaze.com/docs/cloud-storage-about-backblaze-b2-cloud-storage
Frequently Asked Questions
Is a backup the same as staging?
No. A backup is for recovery. Staging is a separate environment for testing changes safely.
Does a website backup need the database?
Usually yes. For dynamic systems such as WordPress, the database is often essential.
Why store backups off-site?
Because a backup stored on the same failing server may be lost together with the live system.