Making sense of browser identification

Even if you've established intranet standards, you'd be wise to make sure your servers can identify what type of browsers are requesting information and can deliver content to them accordingly.

With browser sensing, if a nonapproved browser attempts to access content, the server can block the request and deliver a warning to the user.

On more open intranets, sensing can ensure that HTML 3.2 browsers don't choke when they come across nonstandard features, such as the layers option Netscape Communications Corp. offers in Communicator 4.01. A server would deliver different content to the HTML 3.2 browser than it would to the browser capable of viewing layers.

You also can use browser identification to prevent access by spiders, which are robots that explore Web server content. Spiders degrade performance if run indiscriminately by intranet users. Netscape's Navigator 4.0 and Microsoft Corp.'s Internet Explorer 4.0 use this type of functionality in their "push" implementations.

Implementing browser sensing requires some programming. You need a program that lets the server determine the browser type and a program that then lets the server act appropriately.(Continue Reading)

 

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