http://www.siteadvisor.com/sites/poradna.net?versi on=2&core_ver=1.0&pip=true&premium=false&client_ve r=2.9.258&client_type=IEPlugin&suite=true&aff_id=0 &locale=sk-SK&os_ver=5.1.3.0.
existuje takato stranka ktora testuje lokality,napriklad poradna je bezpecna.http://www.siteadvisor.com/download/windows.html
staci pridat do firefoxu.