User Agent Details:"Googlebot/2.1",gzip(gfe) (via

On this page you can find user agent lookup and user agent checker for custom user agent, just need to paste it to input field. It's showing you user agent browser, user agent data, browser branch, name, full name and many-many others. All data user agent details that you can see here fetched on server side (without JavaScript). The full version also detects most spiders, and an assortment of uncommon browsers and other user agents. User agent detail fetch based on analysis user agent string, that you giving us, and some knowledge base thta helping to know some options like "activexcontrols", "css version".
HTTP USER AGENT - it's your user agent from request.
Browser branch name - it's common name if browser (for example for all versions of Firefox 2 (2.0.102, 2.0.104) it will be Firefox 2.0
Browser full name - version on full browser name (example Mozilla/Firefox, looking like in http user agent info
ProductSub - biggest part of cases it's date of browser update, in case of Linux and Firefox - can be like "20081216".
Additonal Info section - information about supporting technologies by browser (cookie,iframe, and other), information taken not from header - it's taken from our base.
This tool is very simple, just paste useragent to input field and push "Go" for user agent tool.
We have several libs with already parsed user agents, and it's help to explain string during lookup. Thats why result can have different length and with different fields set. The blocks that can be avaible: 1-3 blocks exactly after "Common Info" block, and 1-3 blocks of "Similar" results.
User agent sniffing refers to the practice of websites showing different content when viewed with a certain user agent. On the Internet, this will result in a different site being shown when browsing the page with a specific browser.

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Common Info
HTTP USER AGENT"Googlebot/2.1",gzip(gfe) (via
Browser branch nameGooglebot 2.1
Browser nameGoogle Bot
Browser version2.1
Operation System (version unknown)
Browser full nameGooglebot 2.1",gzip(gf

Similar User Agents
User-AgentDoCoMo/2.0 SH901iS(c100;TB;W24H12),gzip(gfe) (via
DescriptionNTT DoCoMo (Japan) proxy server (

User-AgentMozilla/5.0 (compatible; Googlebot/2.1; +
NameGooglebot 2.1
DescriptionYou can verify that a bot accessing your server really is Googlebot by using a reverse DNS lookup, verifying that the name is in the domain, and then doing a forward DNS lookup using that googlebot name.
OrganizationGoogle Inc.
TypeRobot, Spider, Crawler

Googlebot/2.1 (+
NameGooglebot 2.1
Explanation of components
GooglebotGooglebot -
Additonal Info about inputed User Agent
commentGooglebot 2.1
browser_makerGoogle Inc