HTML5

DOCTYPE

HEAD

• meta (в том числе charset)
• link
• script (подключение)

BODY

BAD PRACTICES

• id
• br
• naming
• inline style, internal style
• wrong path
• empty blocks
• php
• how many tags did you open you must close these ones 

BODY

SEMANTIC

• header
• nav
• article
• section
• footer
• Таблица для таблиц, раисся для руских

CSS

• css for styling
• reset/normalize
• css-frameworks for prototyping
• margin, padding, alignment
• codestyle
• selector's weight
• vendor prefixes
• class vs advanced (modern) selector
• flow
• sprites
• no more bicycles (bg vs img)

class vs advanced (modern) selector

• old browsers support
• dynamic content

selector's weight

margin, padding, alignment

Sprites

LINKS

• document flow  http://softwaremaniacs.org/blog/2005/12/01/css-layout-float/
• ИКФ

The Good Ones

• less
• html5 validation
• selectors level 3
• vanila js
• semantic html

And the winner is...

• Null