404 Handling
15-30 minBeginner
Configure custom 404 pages and monitor broken links to improve user experience and SEO. A well-designed 404 page helps retain visitors and signals quality to search engines.
Prerequisites
- Admin access to Magento backend
- Access to theme files for customization
Beginner
Configure CMS 404 Page
Set up the default 404 page in Magento admin.
1
Access CMS Pages
1
Go to Content > Elements > Pages
2
Find '404 Not Found' page or create a new one
2
Customize Content
1
Add helpful content: search bar, popular categories, contact link
2
Include a clear message that the page wasn't found
3
Add internal links to guide users back to active pages
3
Set as Default 404
1
Go to Stores > Configuration > General > Web
2
Under 'Default Pages', set 'CMS No Route Page' to your 404 page
Verification Checklist
Pro Tips
- Never redirect all 404s to homepage - this is seen as a soft 404
- Log 404 hits server-side to identify recurring broken link sources
- Include site search on 404 page to help users find content
Common Issues & Fixes
Problem:
Solution: Check server config - ensure CMS page doesn't override HTTP status