Onavo is similar, but more comprehensive than the now "fixed" css history leak. https://blog.mozilla.org/security/2010/03/31/plugging-the-css-history-leak/ htt

Onavo is similar, but more comprehensive than the now "fixed" css history leak. https://blog.mozilla.org/security/2010/03/31/plugging-the-css-history-leak/ https://blog.mozilla.org/security/2010/03/31/plugging-the-cs...