contains information about the software used by the origin server to handle the request, which is often used by clients to help identify the scope of reported interoperability problems, to work around or tailor requests to avoid particular server limitations, and for analytics regarding server or operating system use.
Quick facts
Description
contains information about the software used by the origin server to handle the request, which is often used by clients to help identify the scope of reported interoperability problems, to work around or tailor requests to avoid particular server limitations, and for analytics regarding server or operating system use.
Syntax
Server: nginx/1.24.0
Related status codes
Frequently asked questions
contains information about the software used by the origin server to handle the request, which is often used by clients to help identify the scope of reported interoperability problems, to work around or tailor requests to avoid particular server limitations, and for analytics regarding server or operating system use.
It is classified as a response header and can appear in requests or responses depending on context.
Sources & standards
Updated 2026-09-13
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about this tool
This page provides original, human-reviewed information about HTTP headers such as Server, the HTTP Header Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
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