Wednesday, June 27, 2007

HTTP referer

Traceurl users have been asking for more details on the clicked links. Well, this is not an easy task. All we do is evaluating the HTTP header. So there is only limited data about the visitor and her/his computer.

Actually there would be ways to get more information about the visitors computer. For instance by injection some JavaScript code. But I fear fiddling around with the redirected page, injecting code and things the like is neither modest nor legal and could pretty quick become a copyright or privacy issue.

None the less there are still unevaluated information in the HTTP header. One of them information is the HTTP referer. The so-called HTTP referer represents the adress of the website the visitor came from. Depending on the User Agent the referrer can be hidden and in case of a direct access the referrer information is also be missing. If available the referrer will now be shown in a new column in the table on the My URLs tab. In case a traceable URL has been published on multiple websites this is a very useful information.

Of course we try to improve the Traceurl service and will think of other ways to provide additional and useful data in the future.

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