HTTP

HTTP 302 Found vs 406 Not Acceptable

HTTP 302 (Found) is a 3xx Redirection response, while 406 (Not Acceptable) is a 4xx Client Error response. 302 indicates that the resource temporarily resides at a different URL. The client should continue using the original URL for future requests. In contrast, 406 means that the server cannot produce a response matching the Accept headers sent by the client.

Description

The resource temporarily resides at a different URL. The client should continue using the original URL for future requests.

When You See It

During A/B testing, temporary maintenance pages, or geo-based redirects.

How to Fix

Follow the Location header. Note: browsers may change POST to GET on redirect.

Description

The server cannot produce a response matching the Accept headers sent by the client.

When You See It

When requesting a content type the server doesn't support (e.g., Accept: application/xml when only JSON is available).

How to Fix

Adjust the Accept header to a format the server supports.

Key Differences

1.

302 is a 3xx Redirection response, while 406 is a 4xx Client Error response.

2.

HTTP 302: The resource temporarily resides at a different URL. The client should continue using the original URL for future requests.

3.

HTTP 406: The server cannot produce a response matching the Accept headers sent by the client.

4.

You encounter 302 when during A/B testing, temporary maintenance pages, or geo-based redirects.

5.

You encounter 406 when when requesting a content type the server doesn't support (e.g., Accept: application/xml when only JSON is available).

When to Use Which

For 302 (Found): Follow the Location header. Note: browsers may change POST to GET on redirect. For 406 (Not Acceptable): Adjust the Accept header to a format the server supports.

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