Am remarcat ca nu doar cei cu toolbar conteaza, de asta am cautat un articol care sa confirme oarecum, eu am avut siteuri fara vizite romanesti, fara target romanesc si cu toate astea eu actualizand siteul ii influentam rankul Alexa, nu stiu sa fiu avut toolbar Alexa instalat, nu stiu sa am asa ceva instalat, sunt pe Ubuntu, si aparea tara cea mai populara Romania, cu un rank sub 100.000 pentru Romania, in conditiile in care doar eu vizitam siteul din Romania si eventual cativa rataciti, procent nesemnificativ.

As opposed to the popular belief that alexa counts only the number of hits from the alexa toolbar it also collects detailed statistical data which includes, but not limited to IP address , browser version and cookies, click stream and referrals including time on site and clickthroughs which is a big deal considering that it can fetch all this information without the user having to install an asynchronous script within the HTML of the site like Google analytics.
http://machoarts.com/alexa-rank-the-facts-and-follies