Thanks, Sam. Nuria, that's what I was getting at - if using the EL JS
library would some sort of new method be needed so that these impressions
arena't undercounted?

On Fri, Jan 19, 2018 at 4:49 AM, Sam Smith <samsm...@wikimedia.org> wrote:

> On Thu, Jan 18, 2018 at 9:57 PM, Adam Baso <ab...@wikimedia.org> wrote:
>
>> Adding to this, one thing to consider is DNT - is there a way to invoke
>> EL so that such traffic is appropriately imputed or something?
>>
>
> The EventLogging client respects DNT [0]. When the user enables DNT,
> mw.eventLog.logEvent is a NOP.
>
> I don't see any mention of DNT in the Varnish VCLs around the the /beacon
> endpoint or otherwise but it may be handled elsewhere. While it's unlikely,
> there's nothing stopping a client sending a well-formatted request to the
> /beacon/event endpoint directly [1], ignoring the user's choice.
>
> -Sam
>
> [0] https://phabricator.wikimedia.org/diffusion/EEVL/
> browse/master/modules/ext.eventLogging.core.js;
> 4480f7e27140fcb8ae915c1755223fd7a5bab9b9$251
> [1] https://phabricator.wikimedia.org/diffusion/EEVL/browse/
> master/modules/ext.eventLogging.core.js;4480f7e27140fcb8ae915c1755223f
> d7a5bab9b9$215
>
>
>
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