HTTP 300 Multiple Choices vs 451 Unavailable For Legal Reasons
HTTP 300 (Multiple Choices) is a 3xx Redirection response, while 451 (Unavailable For Legal Reasons) is a 4xx Client Error response. 300 indicates that the request has more than one possible response. The client should choose one of them. In contrast, 451 means that the server is denying access to the resource as a consequence of a legal demand. Named after Ray Bradbury's Fahrenheit 451.
Description
The request has more than one possible response. The client should choose one of them.
When You See It
When a resource is available in multiple formats (e.g., different languages or media types).
How to Fix
Select the appropriate resource variant. Send an Accept header with your preferred content type.
Description
The server is denying access to the resource as a consequence of a legal demand. Named after Ray Bradbury's Fahrenheit 451.
When You See It
When content is blocked due to court orders, GDPR requests, or government censorship.
How to Fix
No technical fix. The block is legally mandated. Contact the site operator for details.
Key Differences
300 is a 3xx Redirection response, while 451 is a 4xx Client Error response.
HTTP 300: The request has more than one possible response. The client should choose one of them.
HTTP 451: The server is denying access to the resource as a consequence of a legal demand. Named after Ray Bradbury's Fahrenheit 451.
You encounter 300 when when a resource is available in multiple formats (e.g., different languages or media types).
You encounter 451 when when content is blocked due to court orders, GDPR requests, or government censorship.
When to Use Which
For 300 (Multiple Choices): Select the appropriate resource variant. Send an Accept header with your preferred content type. For 451 (Unavailable For Legal Reasons): No technical fix. The block is legally mandated. Contact the site operator for details.