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List:       kfm-devel
Subject:    Re: RFC:UserAgent string in kio_http
From:       Richard Moore <rich () ipso-facto ! freeserve ! co ! uk>
Date:       2000-07-24 20:24:01
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Navindra Umanee wrote:
> 
> Richard Moore <rich@ipso-facto.freeserve.co.uk> wrote:
> > > Go, say to http://www.hotmail.com/ and click on new user.  Or go to
> > > http://www.granroth.org/ and see how the behaviour changes depending
> > > on the User-Agent string.  There are many sites like this.  I can't
> > > compile a full list right now, sorry.
> >
> > I have written sites that do this. It is necessary at times because
> > features can be incompatible between IE and Netscape in ways that
> > you cannot conceal with Javascript (eg. fold away side bar frames
> > because netscape's javascript can't access the frameset properly).
> > In my own code if your browser does not match one of the known user
> > agents then you get a more restricted version of the site.
> 
> This makes sense.  Additionally, there are some sites/servers that
> behave differently depending on whether you have a User-Agent string
> such as:
> 
> Konqueror/1.92 Beta >= 20000720    (the current Konqueror default)
> 
> Or:
> 
> Mozilla 4.0 (compatible; Konqueror/1.92 Beta >= 20000720; blah; blah; blah)
> 
> Hotmail, for example, accepts the second string at face value as
> claiming Mozilla level 4.0 compatibility, but other sites such as the
> ones you've written can still accommodate different browsers.
> 
> Cheers,
> Navin.
> 
> PS As you know, IE 5.01 uses the following User-Agent string:
> 
> Mozilla/4.0 (compatible; MSIE 5.01; Windows 95)

And IE4 is:
user-agent: Mozilla/4.0 (compatible; MSIE 4.01; Windows 98; freeserve_IE4)

Opera 3.0:
user-agent: Mozilla/4.0 (compatible; Opera/3.0; Windows 4.10) 3.50

Rich.

-- 
     Richard Moore		rich@ipso-facto.freeserve.co.uk
http://www.robocast.com/	richard@robocast.com
http://developer.kde.org/	rich@kde.org

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