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| Question | Y | N | N/A |
| 1. For all images, is alternative text provided?
Note. This includes images used as spacers, bullets in lists, and links |
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| 2. For all applets, are alternative text and content provided? | |||
| 3. For all image map links, is alternative text provided? | |||
| 4. If server-side image maps were used, are text links provided for each hotspot in the image map? | |||
| 5. For all graphical buttons, is alternative text provided? | |||
| 6. Is there an absence of ASCII art, and, instead, are images and alternative
text used?
e.g., use "smile" or an image with alt text instead of: :) |
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| 7. If OBJECT was used to incorporate an image, applet, or script into a page, is the information also conveyed in an alternative means in cases where the OBJECT cannot be perceived, such as with "title" or within the body of the OBJECT element? | |||
| 8. Are long descriptions provided of all graphics that convey important
information?
To do so: use "longdesc." |
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| 9. For stand-alone audio files, are textual transcripts of all words spoken or sung as well as all significant sounds provided? | |||
| 10. For audio associated with video, are captions -- textual transcripts of dialog and sounds -- synchronized with the video? | |||
| 11. Where sounds are played automatically, are visual notification and transcripts provided? | |||
| 12. For short animations such as animated "gifs" images, are alternative text and a long description provided, if needed? | |||
| 13. For movies, are auditory descriptions provided and synchronized with the original audio? | |||
| 14. If color is used to convey information, is the information also
clear from the markup and/or text?
Hint: One way of testing this is to ask yourself whether the information is available if one is viewing it on a black and white screen. |
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| 15. Are foreground and background color combinations used that provide sufficient contrast when viewed by someone with color blindness or when viewed on a black and white screen? | |||
| 16. For auto-refreshing or timed response pages, is a second copy of the page provided where refresh only happens after a link has been selected (until user agents provide this ability themselves)? | |||
| 17. Is the Web page free from any blinking or updating of the screen that causes flicker? | |||
| 18. Is a fallback page provided for pages that contain frames? | |||
| 19. For scripts that present critical information or functions, is an alternative, equivalent presentation or mechanism provided? | |||
| 20. For pages that use style sheets, are the contents of each page ordered and structured so that they read appropriately without the style sheet? | |||
| 21. If frames are used, are titles provided so that users can keep track of frames by name? | |||
| 22. Do you provide a "text only" alternative page to the original page? | |||
| 23. If you provide a "text only" alternative page, does it contain substantially the same information as the original page? | |||
| 24. If you provide a "text only" alternative page, is it updated as often as the original page? |
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| Author Charles Redmond NASA Headquarters |
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Curator Charles Redmond |
This document last updated January, 2001. |