HTTP 303 See Other — What It Means & How to Fix It
Warning3xx redirection
Overview
The HTTP 303 See Other status code indicates the server is redirecting the client to a different resource using a GET request, typically after a POST operation.
Key Details
- This status code always redirects with a GET request, regardless of the original HTTP method.
- It is commonly used in the Post/Redirect/Get (PRG) pattern to prevent form resubmission.
- The redirect target is specified in the Location header.
- It was introduced in HTTP/1.1 to clarify the behavior of 302.
Common Causes
- A POST form submission was processed and the server redirects to a confirmation page.
- The Post/Redirect/Get pattern is used to prevent duplicate submissions.
- An API operation redirects to a result or status page.
Steps
- 1Follow the redirect using a GET request to the Location header URL.
- 2Do not resend the original POST data to the redirect target.
- 3Implement the PRG pattern in your web application to prevent form resubmission issues.
- 4Check that the redirect target page exists and returns the expected content.
Tags
httpredirectionsee-otherpost-redirect-getprg
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WarningFrequently Asked Questions
It tells the client to retrieve the response from a different URL using GET. It is typically used after a POST operation to redirect to a result page.