Gareth
Thanks for taking the time to reply. I completely support your goals and
laud the improvements that we have seen due to the measurements of
visitor behavior on mozilla.org and the refinement of the content to
better engage our web site visitors.
But...
On 05/01/2014 08:08 AM, gc...@mozilla.com wrote:
Let me start off by saying that we do not track or send any
personally identifiable information to Google. Doing so would not
only be against our internal policies, but also that of Google. As an
Analytics professional, this is also a line I would not cross. And to
re-enforce our commitment to privacy, we actively anonymize ip
address data along with any requests that are being sent back to
Google. This was actually a community driven suggestion that we
implemented. You can read up more on this here:
https://bugzilla.mozilla.org/show_bug.cgi?id=946705
I have had a problem with Google ever since they announced they would
anonymize ip addresses after 18 months by dropping the last octet of the
ip address, 12.214.31.144 -> 12.214.31.0. This is is the same
anonymization they use for Google Analytics
<https://support.google.com/analytics/answer/2763052?hl=en>
I believe this level of anonymization is 'privacy theater' since it has
been known for some time that binning data is not effective at
anonymization. See
<http://impcenter.org/wp-content/uploads/2013/09/Simple-Demographics-Often-Identify-People-Uniquely.pdf>.
Perhaps pseudo-anonymization would be a more accurate characterization.
While the goals are laudable and the achievements are important, I do
think that in the long term we should keep in mind the need to
transition away from Google Analytics on mozilla.org.
Mike, thanks for the pointer to the Google Analytics Opt-out Browser
Add-on. I was unaware of it.
/bc
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