X-Robots-Tag meaning in English


What is an X-Robots-Tag?

The X-Robots-Tag is a method of implementing Robots exclusion standards on resources via HTTP headers.

Multiple X-Robots-Tag headers can be used, or they can be bundled together using a comma separated list of directives.

It is possible to target directives at specific bot user agents.


As per Google's documentation the following is an example of an X-Robots-Tag issuing a noindex command via a HTTP header.

HTTP/1.1 200 OK
Date: Sat, 29 May 2021 21:42:43 GMT
X-Robots-Tag: noindex
(…)Code language: HTTP (http)


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