There is a workaround - but it will reduce the amount of data points available to GA and put stress on your box: Use server-side tracking calls. As said, this

There is a workaround - but it will reduce the amount of data points available to GA and put stress on your box: Use server-side tracking calls. As said, this will remove all data points which are usually gathered by the GA-Javascript. Same thing is possible with Piwik. You _could try_ to have custom JS that would gather those data-points like e.g. screen resolution.