HTTP 416 Range Not Satisfiable vs 418 I'm a Teapot
Both HTTP 416 (Range Not Satisfiable) and 418 (I'm a Teapot) belong to the 4xx Client Error category. 416 indicates that the server cannot serve the requested byte range. The Range header value is outside the resource's size. Meanwhile, 418 means that any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
Description
The server cannot serve the requested byte range. The Range header value is outside the resource's size.
When You See It
When requesting a byte range beyond the file's actual size.
How to Fix
Check the Content-Range in the response for the actual file size and adjust your Range header.
Description
Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
When You See It
As an Easter egg on some websites, or when a server humorously refuses a request.
How to Fix
Use a coffee pot instead of a teapot. Or just enjoy the joke.
Key Differences
HTTP 416: The server cannot serve the requested byte range. The Range header value is outside the resource's size.
HTTP 418: Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
You encounter 416 when when requesting a byte range beyond the file's actual size.
You encounter 418 when as an Easter egg on some websites, or when a server humorously refuses a request.
When to Use Which
For 416 (Range Not Satisfiable): Check the Content-Range in the response for the actual file size and adjust your Range header. For 418 (I'm a Teapot): Use a coffee pot instead of a teapot. Or just enjoy the joke.