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what browser? version?

Posted on 1998-12-09
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Last Modified: 2013-12-25
How can I tell what browser is accessing my site? not limited to just netscape and ie.
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Question by:rebe
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by:rafistern
ID: 1857044
How is this...


// Ultimate client-side JavaScript client sniff.
// (C) Netscape Communications 1998.  Permission granted to reuse and distribute.
// Revised 20 April 98 to add is.nav4up and is.ie4up (see below).
// Everything you always wanted to know about your JavaScript client
// but were afraid to ask ... "Is" is the constructor function for "is" object,
// which has properties indicating:// (1) browser vendor:
//     is.nav, is.ie, is.opera// (2) browser version number:
//     is.major (integer indicating major version number: 2, 3, 4 ...)
//     is.minor (float   indicating full  version number: 2.02, 3.01, 4.04 ...)
// (3) browser vendor AND major version number
//     is.nav2, is.nav3, is.nav4, is.nav4up, is.ie3, is.ie4, is.ie4up
// (4) JavaScript version number:
//     is.js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
// (5) OS platform and version:
//     is.win, is.win16, is.win32, is.win31, is.win95, is.winnt, is.win98
//     is.os2//     is.mac, is.mac68k, is.macppc//     is.unix
//        is.sun, is.sun4, is.sun5, is.suni86
//        is.irix, is.irix5, is.irix6 //        is.hpux, is.hpux9, is.hpux10
//        is.aix, is.aix1, is.aix2, is.aix3, is.aix4  
//        is.linux, is.sco, is.unixware, is.mpras, is.reliant  
//        is.dec, is.sinix, is.freebsd, is.bsd //     is.vms//
// See http://www.it97.de/JavaScript/JS_tutorial/obj_hierarchy/navobjFr.html
// for a detailed list of userAgent strings.//
// Note: you don't want your Nav4 or IE4 code to "turn off" or
// stop working when Nav5 and IE5 (or later) are released, so
// in conditional code forks, use is.nav4up ("Nav4 or greater")
// and is.ie4up ("IE4 or greater") instead of is.nav4 or is.ie4
// to check version in code which you want to work on future // versions.
function Is (){   // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase()    // *** BROWSER VERSION ***
    this.major = parseInt(navigator.appVersion)
    this.minor = parseFloat(navigator.appVersion)
    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)))
    this.nav2 = (this.nav && (this.major == 2))
    this.nav3 = (this.nav && (this.major == 3))
    this.nav4 = (this.nav && (this.major == 4))
    this.nav4up = this.nav && (this.major >= 4)
    this.navonly      = (this.nav && (agt.indexOf(";nav") != -1))
    this.ie   = (agt.indexOf("msie") != -1)
    this.ie3  = (this.ie && (this.major == 2))
    this.ie4  = (this.ie && (this.major == 4))
    this.ie4up  = this.ie  && (this.major >= 4)
    this.opera = (agt.indexOf("opera") != -1)    
    // *** JAVASCRIPT VERSION CHECK ***
    // Useful to workaround Nav3 bug in which Nav3
    // loads <SCRIPT LANGUAGE="JavaScript1.2">.
    if (this.nav2 || this.ie3) this.js = 1.0
    else if (this.nav3 || this.opera) this.js = 1.1
    else if (this.nav4 || this.ie4) this.js = 1.2
    // NOTE: In the future, update this code when newer versions of JS
    // are released. For now, we try to provide some upward compatibility
    // so that future versions of Nav and IE will show they are at
    // *least* JS 1.2 capable. Always check for JS version compatibility
    // with > or >=.
    else if ((this.nav && (this.minor > 4.05)) || (this.ie && (this.major > 4)))
         this.js = 1.2
    else this.js = 0.0 // HACK: always check for JS version with > or >=
    // *** PLATFORM ***
    this.win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) )
    // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
    //        Win32, so you can't distinguish between Win95 and WinNT.
    this.win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1))
    // is this a 16 bit compiled version?
    this.win16 = ((agt.indexOf("win16")!=-1)
               || (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1)
               || (agt.indexOf("windows 16-bit")!=-1) )  
    this.win31 = (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                 (agt.indexOf("windows 16-bit")!=-1)
    // NOTE: Reliable detection of Win98 may not be possible. It appears that:
    //       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
    //       - On Mercury client, the 32-bit version will return "Win98", but
    //         the 16-bit version running on Win98 will still return "Win95".
    this.win98 = ((agt.indexOf("win98")!=-1)||(agt.indexOf("windows 98")!=-1))
    this.winnt = ((agt.indexOf("winnt")!=-1)||(agt.indexOf("windows nt")!=-1))
    this.win32 = this.win95 || this.winnt || this.win98 ||
                 ((this.major >= 4) && (navigator.platform == "Win32")) ||
                 (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1)
    this.os2   = (agt.indexOf("os/2")!=-1)
                 || (navigator.appVersion.indexOf("OS/2")!=-1)  
                 || (agt.indexOf("ibm-webexplorer")!=-1)
    this.mac    = (agt.indexOf("mac")!=-1)
    this.mac68k = this.mac && ((agt.indexOf("68k")!=-1) ||
                               (agt.indexOf("68000")!=-1))
    this.macppc = this.mac && ((agt.indexOf("ppc")!=-1) ||
                               (agt.indexOf("powerpc")!=-1))
    this.sun   = (agt.indexOf("sunos")!=-1)
    this.sun4  = (agt.indexOf("sunos 4")!=-1)
    this.sun5  = (agt.indexOf("sunos 5")!=-1)
    this.suni86= this.sun && (agt.indexOf("i86")!=-1)
    this.irix  = (agt.indexOf("irix") !=-1)    // SGI
    this.irix5 = (agt.indexOf("irix 5") !=-1)
    this.irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1))
    this.hpux  = (agt.indexOf("hp-ux")!=-1)
    this.hpux9 = this.hpux && (agt.indexOf("09.")!=-1)
    this.hpux10= this.hpux && (agt.indexOf("10.")!=-1)
    this.aix   = (agt.indexOf("aix")  !=-1)      // IBM
    this.aix1  = (agt.indexOf("aix 1")  !=-1)    
    this.aix2  = (agt.indexOf("aix 2")  !=-1)    
    this.aix3  = (agt.indexOf("aix 3")  !=-1)    
    this.aix4  = (agt.indexOf("aix 4")  !=-1)    
    this.linux = (agt.indexOf("inux")!=-1)
    this.sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1)
    this.unixware = (agt.indexOf("unix_system_v")!=-1)
    this.mpras    = (agt.indexOf("ncr")!=-1)
    this.reliant  = (agt.indexOf("reliantunix")!=-1)
    this.dec   = (agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1)
           || (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1)
           || (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)
    this.sinix = (agt.indexOf("sinix")!=-1)
    this.freebsd = (agt.indexOf("freebsd")!=-1)
    this.bsd = (agt.indexOf("bsd")!=-1)
    this.unix  = (agt.indexOf("x11")!=-1) || this.sun || this.irix || this.hpux ||
                 this.sco ||this.unixware || this.mpras || this.reliant ||
                 this.dec || this.sinix || this.aix || this.linux || this.freebsd
    this.vms   = (agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1)}
var is;var isIE3Mac = false;
// this section is designed specifically for IE3 for the Mac
if ((navigator.appVersion.indexOf("Mac")!=-1) && (navigator.userAgent.indexOf("MSIE")!=-1) && (parseInt(navigator.appVersion)==3))
       isIE3Mac = true;else        is = new Is();
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Expert Comment

by:rafistern
ID: 1857045
That is probably overkill, so basically, use the navigator.userAgent property and by using navigator.userAgent(indexOf) check for various names of browsers.

e.g. MSIE, Opera, AOL, etc..
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Expert Comment

by:aioudine
ID: 1857046
Also you may use SSI (Server Side Include) ECHO command
<P> The user agent is <!--#ECHO VAR="HTTP_USER_AGENT"-->
alternatively you may also retrive and process
HTTP_USER_AGENT variable by using CGI scripting

See TFMamual how to configure webserver

For user tracking same server (Like Netscape) support extended format of access.log files
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Author Comment

by:rebe
ID: 1857047
Sorry to reject your answer.  Although it sounds really good, I would like a solution that works with no java and also the browser type are not limited to ie and netscape.  In addition, the solution doesn't necessary need to be in the html file.  I've the full control of the server config.
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Expert Comment

by:MasseyM
ID: 1857048
What kind of server?  Is it using ASP pages?
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Accepted Solution

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FutureX earned 100 total points
ID: 1857049
How about a 3rd party web offer???

If so, http://www.pagecount.com
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Expert Comment

by:FutureX
ID: 1857050
There are called (FREE/Depends) statistical counters!!!

Goto www.altavista.com or yahoo :) and input this in and you shall find a lot of them besides pagecount.
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