WordPress Site Broken After Update: What to Do
When a site breaks immediately after an update, the update itself is almost always the cause, usually a plugin or theme that hasn't caught up with a change in WordPress core, or an update that didn't fully complete. The fastest safe fix is often a backup restore while you investigate calmly, rather than guessing at changes on a live site.
Fix it in order, most likely cause first
- Identify exactly what was just updated. Check Dashboard > Updates or your host's update log to confirm whether it was WordPress core, a theme, or a plugin, and which one.
- Restore a recent backup if you have one. If a backup from just before the update exists, restoring it is usually the fastest way back to a working site. You can then investigate the update separately, without the pressure of a broken live site.
- Roll back the specific plugin or theme if you don't have a backup. A plugin like WP Rollback can revert a single plugin to its previous version, or you can manually replace the files via FTP with the last known-good version from wordpress.org's plugin repository, if it's listed there.
- Check for a known compatibility notice. Search the plugin or theme's support forum for the version number involved. After major WordPress core updates, compatibility issues are common enough that other users often report them within hours.
- Clear caches once resolved. Clear your site cache, any CDN cache, and your own browser cache. Old cached files can look like ongoing breakage even after the actual fix is in place.
When to stop and get help
If this is a live store or a business-critical site, treat it as urgent but not a reason to panic-fix without a backup. Making further changes on top of a broken update, without knowing what actually caused it, tends to compound the problem rather than solve it.
Related reading
Not sure if this is the only issue on your site?
Run a free scan and get your site's health score in under two minutes. No login, no credit card.
Rather not deal with this yourself? See our maintenance plans.