Help! Piwik is missing 30% of users!

Hi,

i have noticed a wierd issue. Google AdWords and Bing AdCenter state one click count and I get completly other count, which makes any point of analytics skewed and pretty badly, cause im missing around 30% of data from google and around 10% from bing.

I read something about that probably the js could not be loaded or smth, but how could i get the essential data and not miss any visitors, like referrer, keyword and also did it convert to a GOAL - without using JS? Or is there another problem?

Its kind of hard to config your campaign when you are working on a 10% ROI and you are missing 30% data…

Just an idea: have you disabled “DoNotTrack” feature in the Privacy settings?

Another idea: try importing server logs to compare if more data is tracked this way?