<ul><li>Canvas area max size: 485,000px</li><li>Auto-Initiated creative assets max size: 1MB</li><li>User-Initiated creative assets max size: 2MB</li><li>Canvas are to be iframed</li></ul>

Overview

A Note on Ad types

General Specifications

Standard HTML5 Display Specifications

Interactive & Rich HTML5 Display Specifications

Additional Site Served Requirements

A Note on Browser Support

Notes on Implementing In-Banner Video

A Note on HTML5 Canvas Element

Notes on Animation

A Note on Fonts

General Best Practices

Policies & guidelines

HTML5 Guidelines

US & Canada