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User Agent Details:Mozilla/5.0 (Windows; U; Windows NT 4.0; en-US) AppleWebK...

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 2.0.0.19), 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.

new window:
HTTP USER AGENT

Common Info
HTTP USER AGENTMozilla/5.0 (Windows; U; Windows NT 4.0; en-US) AppleWebKit/525.19 (KHTML, like Gecko) Chrome/1.0.154.48 Safari/525.19
Browser branch nameChrome 1.0
Browser nameChrome
Browser version1.0
PlatformWinNT
Operation SystemWindows NT
User AgentChrome
Engine525.19

Similar User Agents
User-AgentMozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.19 (KHTML, like Gecko) Chrome/0.2.153.1 Safari/525.19
DescriptionGoogle Chrome browser based on WebKit (Safari)
Typebrowser
Urlhttp://www.google.com/chrome

User-AgentMozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.19 (KHTML, like Gecko) Chrome/0.4.154.22 Safari/525.19
NameGoogle Chrome 0.4
DescriptionGoogle Chrome is a browser that combines a minimal design with sophisticated technology to make the web faster, safer and easier.
OrganizationGoogle Inc.
TypeBrowser
Urlhttp://www.google.com/chrome

Mozilla/5.0 (Linux; U; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.27 Safari/525.13
NameChrome 0.2.149.27
Explanation of components
MozillaThis is Mozilla based browser
5.0 Mozilla Version
LinuxOperation System, CPU info:
Linux - http://www.linux.org/
USecurity type - strong security
en-USLanguage Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) :
AppleWebKitThe Web Kit provides a set of core classes to display web content in windows
525.13Web Kit build
KHTML, like Gecko Open Source HTML layout engine developed by the KDE project
ChromeChrome - http://www.google.com/chrome
0.2.149.27Version
SafariBased on Safari
525.13Browser build
Additonal Info about inputed User Agent
win321
commentChrome 1.0
browser_makerGoogle Inc
majorver1
device_typeDesktop
device_pointing_methodmouse
minorver0
win64
ismobiledevice
istablet