Re: bob
Have you tried the EFF's panopticlick? Caring about privacy puts you in a minority and doing so effectively can make your browser close enough to unique that you can be tracked.
statcounter does not say which websites they monitor. If the did, a small number of penguins would do some ballot box stuffing. I assume the tracked websites show a blank page or a "we require javascript" page to anyone who does not click on at least a dozen adverts per day.
statcounter shows a clear prejudice against robots. Robots must make up a significant proportion of the internet by now. Can anyone who has failed a Turing test tell me ... are there adverts targeted to robots yet?