adblock

Some guy on the net thought of a clever way to make Google Analytics unable to collect data under Firefox browsers. First of all, he spelled Firefox wrong. It's "Firefox", not "FireFox". He achieved this by using the adblock extension (not "plug-in", as he said) to block *.google-analytics.com.

After using this "counter-anti-block" method, the only way to avoid is to turn off JavaScript.