APPENDIX B – Section 508 Compliance Checklist for WEB-BASED APPLICATIONS

CRITERIA

YES

NO

N/A

Are all functions and user input fields accessible to the keyboard? [Soft (a)]

     

Are all program features available to the user when the user configured operating system and or browser accessibility features are enabled? (os:high contrast, font attribute selection and screen magnification & browser: user selected font type& size, colors and style sheet support) [Soft (b & g), Web (d)]

     

Is the user made aware of changes to window content when page content changes as a result of active scripting rather than screen refreshing? [Soft (c), Web (l)]

     

Are all application control elements represented by accessible text? [Soft (d)]

     

Are all bitmap images representing application controls, indication of status or program elements used consistently through out the application? [Soft (e), Web (e & f)]

     

Are all program output messages to the user in the form of displayed text or if an image is used to convey a message is the image accompanied by screen displayed text? [Soft  (f)]

     

If animation in the form of .gif, .avi, .mpg or other format  is used to communicate information, is this information available in an accessible format such as .txt, .htm, .doc, etc? [Soft (h), Web (b)]

     

When color is used to communicate information, is this information available in a different mode? [Soft (i), Web ( c)]

     

If the program permits the user to select interface colors does the range of colors available include selections for users with low vision? [Soft (j)]

     

Does the application use prohibited flashing or blinking text, objects or elements? [Soft (k), Web (j)]

     

Do all forms utilize the Label attribute, are form elements organized logically and consistently? [Soft (l), Web (n)]

     

Do all images have ALT descriptive tags? [Web (a)]

     

If a table is used for page format purposes, can it be read linearly (left to right and top to bottom) by a screen reader?

Is the tables purpose identified with the summary attribute? [Web (g)]

     

If a table is used to display data, does the table design and coding support interpretation by assistive technology? Are the reference row and column coded with the required identification code? [Web (h)]

     

Are frames identified with the title attribute? Is the title descriptive of the frame’s purpose? [Web (i)]

     

Where time allowed for user interaction is controlled by the application (either client side  or server side) is user given sufficient warning of time out status and is there a mechanism to extend session time and complete the task? [Web (p)]

     

 

*Letter references shown in [ ] map to Section 508 Federal Access Board Technical Standards, i.e.,Web (standard): Section 1194.22, Web-based Intranet and Internet Information; and, Applications and Soft (standard): Section 1194.21, Software Applications and Operating Systems

 

It is the intent of the NASA Section 508 Web site to provide information that is accessible to all. Our web site is based on the Technical Standards of Section 508 part 1194.22. If you find any of the site content to be inaccessible, please contact us or send feedback.