Checkpoints for Guideline
1. Provide equivalent alternatives to auditory and visual content.

1.1 - Provide a text equivalent for every non-text element.  Priority 1 

• 1.1a - a text equivalent for images and graphical buttons.
• 1.1b - a text equivalent for graphical representations of text (including symbols).
• 1.1c - a text equivalent for image map regions.
• 1.1d - a text equivalent for animations (e.g., animated GIFs).
• 1.1e - a text equivalent for applets and programmatic objects.
• 1.1f - a text equivalent for ASCII art.
• 1.1g - a text equivalent for frames.
• 1.1h - a text equivalent for scripts.
• 1.1i - a text equivalent for images used as list bullets.
• 1.1j - a text equivalent for images used as "spacers".
• 1.1k - a text equivalent for sounds (played with or without user interaction).
• 1.1l - a text equivalent for stand-alone audio files.
• 1.1m - a text equivalent for audio tracks of video.
• 1.1n - a text equivalent for video.

1.2 - Provide redundant text links for each active region of a server-side image map.  Priority 1 

1.3 - Until user agents can automatically read aloud the text equivalent of a visual track provide an auditory description of the important information of the visual track of a multimedia presentation.  Priority 1 

1.4 - For any time-based multimedia presentation (e.g., a movie or animation), synchronize equivalent alternatives (e.g., captions or auditory descriptions of the visual track) with the presentation.  Priority 1 

1.5 - Until user agents render text equivalents for client-side image map links provide redundant text links for each active region of a client-side image map.  Priority 3