# http.user\_agent

`http.user_agent` String

The HTTP `User-Agent` request header, which contains a characteristic string to identify the client operating system and web browser.

Example value:

```txt
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36"
```

Categories:

* Request
* Headers
