A request headers is an HTTP header that the client sends to the server.
HTTP request headers list | Browser Headers Viewer
| Type | Standard |
| Subype | HTTP caching |
| Related headers | Cache-Control |
| Last seen | 2025-12-05 01:18:57 |
| Note | It is used for backwards compatibility with HTTP/1.0 caches where the Cache-Control HTTP/1.1 header is not yet present. |
Example header value:no-cache |
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