Well -- only the client side. But the number of users is low -- according to a recent study, Adblock has something like 144mm users worldwide[1]

I'm not sure how serious this is, considering a lot of EL traffic is sampled. But we definitely need to understand it better. Who do you think could help? Analytics can handle the back-end testing, but it would be nice to find someone with a good knowledge of browsers -- maybe QA?

-Toby

[1] http://www.mondaynote.com/wp-content/uploads/2014/12/347_adblock_1c.png

On Thu, Dec 11, 2014 at 2:43 PM, Ryan Kaldari <rkaldari@wikimedia.org> wrote:
If Adblock is blocking EventLogging requests, this could have a serious effect on the accuracy of EventLogging data. Adblock has 10M+ users. It would be good to troubleshoot this and find out exactly what Adblock settings trigger this and escalate the issue if needed.

Kaldari

On Thu, Dec 11, 2014 at 2:15 PM, Leila Zia <leila@wikimedia.org> wrote:
Hi everyone,

   From some initial tests it appears to me that EventLogging is not logging events from Linux/Firefox when Adblock is enabled. I'm on Ubuntu 14.04, Firefox 34.0, and Adblock Plus 2.6.6. When I disable Adblock, I see event.gif?{...} in Console, when I enable it, I don't. Just to make sure, I've checked the EL tables and my events don't get registered there.

   I'd be happy to sit with someone to troubleshoot before 4pm (PST), after 5:30pm (PST) or tomorrow.

Leila



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