3013xx RedirectionLow
HTTP 301 Moved Permanently
Defined in RFC 7231
What Does HTTP 301 Mean?
The requested resource has been permanently moved to a new URL. All future requests should use the new URL.
Common Causes
- 1Website URL structure changed
- 2Domain name changed
- 3HTTP to HTTPS migration
- 4Page permanently relocated
Impact
- ⚠Browser automatically redirects to new URL
- ⚠Bookmarks should be updated to the new URL
Ad Space – header
Developer Fix
For web developers and application engineers
- 1Update internal links to point to the new URL
- 2Implement 301 redirects for all old URLs
- 3Update sitemap with new URLs
- 4Notify search engines via Search Console
Server Admin Fix
For system administrators and DevOps engineers
- 1Configure redirect rules in server config (nginx/Apache)
- 2Set up redirect maps for bulk URL changes
- 3Monitor redirect chains for performance issues
Ad Space – after-fix
Frequently Asked Questions
What's the difference between 301 and 302?
301 is permanent — search engines transfer SEO value to the new URL. 302 is temporary — search engines keep indexing the original URL. Use 301 for permanent moves and 302 for temporary ones.
Do 301 redirects affect SEO?
Yes, 301 redirects pass most link equity (ranking power) to the new URL. They are the recommended method for permanently moving content while preserving search rankings.
Related HTTP Status Codes
About the Author
Web Infrastructure Team
Verified against official RFC specifications and real-world server configurations. HTTP status code behavior confirmed across Apache, Nginx, and Cloudflare.