http://awuuwa.i2p/webpages/why_no_javascript.html
HTTP is the actual format of the transfer protocol, HTTPS just adds some encryption and such on top of it, and it's not enough of a drag to really be a bad thing, and even then if need be, often times websites can be visited as just HTTP when HTTPS is provided as an option, unless they purposefully go out of their way to block regular plain HTTP.