Rick Radko gave a presentation on backups for WordPress sites. He discussed why backups are important due to risks of hardware failures, human errors, hacking or malware. He explained that to fully back up a WordPress site, both the database and files need to be backed up. Radko then covered considerations for what to back up, when to back up based on site activity, and where backups should be stored offsite for safety. Finally, he outlined different methods for backing up including manual processes, backup plugins, backup services, and site managers. Throughout, he stressed the importance of testing restores and automating backups.