Checkpoints for Guideline
7. Ensure user control of time-sensitive content changes.

7.1 - Until user agents allow users to control flickering, avoid causing the screen to flicker.  Priority 1 

7.2 - Until user agents allow users to control blinking, avoid causing content to blink.  Priority 2 

7.3 - Until user agents allow users to freeze moving content, avoid movement in pages.  Priority 2 

7.4 - Until user agents provide the ability to stop the refresh do not create periodically auto-refreshing pages.  Priority 2 

7.5 - Until user agents provide the ability to stop auto-redirect do not use markup to redirect pages automatically. Instead, configure the server to perform redirects.  Priority 2