Even SSL trafic leaks information about websites you are visiting, how much data you download (e.g. for email), how much time you spend, when do you do it, etc.

Even SSL trafic leaks information about websites you are visiting, how much data you download (e.g. for email), how much time you spend, when do you do it, etc. More importantly, it doesn't protect you from the website (and any owner of any 3rd party plugin/widget/js/css/img on the website) from collecting data about your online behavior based on your browser signature or simple cookies.