What is HTTP 301 Moved Permanently?
The 301 Moved Permanently status code tells clients and search engines that a resource has permanently moved to another location.
It is one of the most commonly used HTTP redirects.
Example
HTTP/1.1 301 Moved Permanently
Location: https://example.com/new-pageCommon Uses
- Changing domain names
- Moving website URLs
- Replacing old content
- SEO migrations
301 Redirects And SEO
Search engines use permanent redirects to understand that the original URL has been replaced.
Why Does It Matter For DevOps?
DevOps engineers frequently configure 301 redirects in web servers and reverse proxies.
- Nginx configuration
- Apache configuration
- Load balancers
- Application routing
Summary
The 301 Moved Permanently response permanently redirects clients to a new resource location.