Image formats
	width, heigth, usemap
anchor and link to a section
copyright
fair use
body tag 
	background
	bgcolor

Tables
	colspan, rowspan
	td
	tr
	th
	width
	background
	align, valign
	caption

Imagemaps
	rect, circle, default, poly
	oval, square, triangle
	# sign

Frames
	frameset 
		rows, cols
		title
	frame

hr

Forms
	textarea
	radio
	checkbox

Images
	alt
	title
	width, height
	formats

Sounds
	formats
	embed
		hidden
		height, width
		autostart

Cache
	hit
	page view
	refresh vs shift-refresh

Lists
	ordered vs unordered
	type=
	value=

CSS
	background-attachment: fixed
	font-family: Courier
	body { scrollbar-base-color: blue }
	blockquote { text-align: justify }