User-Agent string

When you visit a Web page, your browser sends the user-agent string to the server hosting the site that you are visiting. This string indicates which browser you are using, its version number, and details about your system, such as operating system and version.

Your User-Agent header:

User‑agent stringCCBot/2.0 (http://commoncrawl.org/faq/)
BrowserDefault Browser
Version0.0
Operating systemunknown
OS versionunknown

About the user agent header

When you request a Web page, your browser sends (user agent request) a number of headers to the server hosting the site that you are visiting. Each header contains details that help the server determine the best way to provide the information that you requested. The user-agent header identifies the application requesting the information from the server.


Link to this page: “User-Agent string”

You can link to this tool using this HTML code. Simply copy and paste it into your page:

<a href="http://manytools.org/http-html-text/user-agent-string/">Display your User Agent string; identify browser, version & operating system</a>

If you have any problems using this User-Agent string, please contact me.


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