> Also be aware that you can't total numbers like unique hosts or distinct
> files requested when there is a possibility that they may occur in more
> than one report (i.e. the same host may visit two different website).
> It's better to run Analog on all the logs (or cache files) of all your
> sites to produce the overall report.
That would be ok, I mean, they still hit the server twice.
John
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Jeremy Wadsack
> Sent: Thursday, March 22, 2001 10:51 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [analog-help] Best way to show unique visitors/traffic....
>
>
>
>
> John Cesta - Lists wrote:
>
> > Since we host over 300 Web sites (NT)and each site generates its own
> > logfile, I'd like to get a report that totals the total traffic on the
> > server. I can do this by using a program we have that creates an analog
> > report for each Web. Curretly I only total the Data
> transferred. What I'd
> > like to see is a total of unique visitors or traffic. I know
> that a total of
> > unique vistitors is almost an impossibility (an accurate one nayway) but
> > which piece of summary information below would I want to total to get a
> > close approximation? Would it be Successful requests, Distinct files
> > requested?
>
> None. The only ways I know of to get an approximation to unique
> visitors are
>
> 1] Place a 'persistent' cookie (i.e. one that expires in, say, 30 years)
> on each visitors browser and count those cookies. This is inaccurate,
> because visitors do clean their cookies occasionally, may not accept
> cookies and may share their browser with other unique visitors.
>
> 2] Collect traffic data on sample client systems and extrapolate to the
> volume of traffic on the net. This kind of service is provided by
> companies like PC Data Online and Media Metrix. This is imprecise
> because of the assumptions necessary for the extrapolation.
>
> Also be aware that you can't total numbers like unique hosts or distinct
> files requested when there is a possibility that they may occur in more
> than one report (i.e. the same host may visit two different website).
> It's better to run Analog on all the logs (or cache files) of all your
> sites to produce the overall report.
>
>
> --
>
> Jeremy Wadsack
> Wadsack-Allen Digital Group
>
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