User Agent Details:Mozilla/5.0 (Windows; U; Win98; de-AT; rv:1.7.12) Gecko/2...

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 AGENTMozilla/5.0 (Windows; U; Win98; de-AT; rv:1.7.12) Gecko/20050915,gzip(gfe) (via
Browser branch nameMozilla 1.7
Browser nameMozilla
Browser version1.7
Operation SystemWindows 98
Browser full nameMozilla 1.7.12
EngineGecko RV: 1.7.12

Similar User Agents
User-AgentMozilla/5.0 (Windows; U; Win98; en-US; rv:0.9.2) Gecko/20010726 Netscape6/6.1
DescriptionNetscape 6.x Win98

User-AgentFeedfetcher-Google; (+; 2 subscribers; feed-id=2898793433569657660)
DescriptionFeedfetcher is how Google grabs RSS or Atom feeds when users choose to add them to their Google homepage or Google Reader. Feedfetcher collects and periodically refreshes these user-initiated feeds, but does not index them in Blog Search or Google's other search services (feeds only appear in our search results if they've been crawled by Googlebot). Find answers below to some of the most commonly asked questions about how this user-controlled feed grabber works.
OrganizationGoogle Inc.
TypeRobot, Spider, Crawler

Mozilla/5.0 (Windows; U; Win98; de-AT; rv:1.7.12) Gecko/20050915
NameMozilla 1.7.12
Explanation of components
MozillaMozilla -
5.0 Mozilla - Version
Windows Platform
USecurity type - strong security
Windows 98Operation System, CPU info:
Windows 98 -
de-ATLanguage Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) :
rv:1.7.12 CVS Branch Tag
The version of Gecko being used in the browser
For the Mozilla - browser this
Gecko Gecko engine inside
20050915 Build Date:
the date the browser was built
Additonal Info about inputed User Agent
commentMozilla 1.7
browser_makerMozilla Foundation