Thank you for your guidance, PushCacheFilter is going to be an excellent source
of inspiration.
> Message du 11/08/21 11:08
> De : "Simone Bordet"
> A : [email protected], "JETTY user mailing list"
> Copie à :
> Objet : Re: [jetty-users] How can I accurately count visits?
>
> Hi,
>
> On Tue, Aug 10, 2021 at 11:20 PM wrote:
> >
> > Hello
> >
> > I would like to count visits. I use Jetty 11, my logs are in combined log
> > format (I guess from a line produced by a silly script kiddy):
> > 209.141.54.8 - - [10/Aug/2021:05:40:17 +0000] "POST
> > /boaform/admin/formLogin HTTP/1.1" 404 451
> > "http://80.13.94.99:80/admin/login.asp"; "Mozilla/5.0 (X11; Ubuntu; Linux
> > x86_64; rv:71.0) Gecko/20100101 Firefox/71.0"
> >
> > I can't use GoAccess because it counts hits but it doesn't count visits. I
> > can't use AWStats because it seems to count only the visits on the pages,
> > not the direct visits of image files for example. I can't use Matomo
> > because it requires PHP (I don't want to install PHP only to use a single
> > program).
> >
> > I would like to know whether a request has been caused by a previous
> > request. For example, imagine that index.html refers to img.png. When I go
> > to index.html, it will cause at least 2 hits.
>
> If you never accessed the page, then the request for img.png will have
> the `Referer: /index.html` header.
> In this way you can know that img.png is a dependent resource of index.html.
>
> Otherwise, likely img.png is cached by the browser and will not be requested.
>
> You can imagine that now you want to specify a window of time for
> correlated requests so that you can separate the visits.
> Say, if a request with a `Referer` header arrives within 5 seconds
> from the request of the primary resource, then it's a correlated
> request, otherwise it may be a replay, or a manual request, or a bot,
> etc. -- in general something you want to count differently.
> That is what we do for the PushCacheFilter, if you want to have a code
> example.
>
> I'm afraid that you have to write your own code for your own logic.
>
> Or, like Olivier said, rely on some web analytics tool (and take care of
> GDPR).
>
> --
> Simone Bordet
> ----
> http://cometd.org
> http://webtide.com
> Developer advice, training, services and support
> from the Jetty & CometD experts.
>
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