Bobby

Bobby Accessibility Summary Report

Bobby Approved status

Not Bobby Approved These web pages do not meet the requirements for Bobby Approved status. Below is a list of 26 Priority 1 accessibility errors found:

  1. Provide alternative text for all images.


User checks

User checks are triggered by something specific on the page; however, you need to determine whether they apply. Bobby Approval requires that none of them apply to your site. Please review these 7 item(s):

  1. Provide alternative content for each SCRIPT that conveys important information or functionality.
  2. For tables not used for layout (for example, a spreadsheet), identify headers for the table rows and columns.
  3. If you use color to convey information, make sure the information is also represented another way.
  4. Provide both a description and a synchronized caption for video information.
  5. Provide a synchronized textual transcript for the audio in videos.
  6. If an image conveys important information beyond what is its alternative text, provide an extended description.
  7. If a table has two or more rows or columns that serve as headers, use structural markup to identify their hierarchy and relationship.


Items sorted by priority

This section presents all items found for the pages tested. Items are grouped by the three priority levels assigned by the W3C: Priority 1 (high), Priority 2 (moderate), and Priority 3 (low). It may be most practical to address items in that order in so you can achieve baseline access as quickly as possible. Note that some items are not fully detectable by Bobby and may not be issues on your site; follow the link for each item for more information.

Items sorted by Ease to Fix

This section sorts items based on how easy it is to fix them. This is a subjective determination by CAST on these guidelines as a whole, not based on the analysis of your pages. Possible values are Easy, Moderate, or Hard.

Page index for each item

  1. If a table has two or more rows or columns that serve as headers, use structural markup to identify their hierarchy and relationship.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  2. For tables not used for layout (for example, a spreadsheet), identify headers for the table rows and columns.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  3. Make sure event handlers do not require use of a mouse.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    5. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/
  4. Consider adding keyboard shortcuts to frequently used links.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  5. Separate adjacent links with more than whitespace.
    1. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
  6. If scripts create pop-up windows or change the active window, ensure that the user is aware this is happening.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    5. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/
  7. Create link phrases that make sense when read out of context.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/
  8. Check that the foreground and background colors contrast sufficiently with each other.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    34. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    35. http://thunder.nsstc.nasa.gov/bookshelf/
  9. Add a descriptive title to links when needed.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  10. Mark up quotations with the Q and BLOCKQUOTE elements.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/
  11. Provide a summary and caption for tables.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  12. Provide abbreviations for long row or column labels.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  13. Identify the language of the text.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    34. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    35. http://thunder.nsstc.nasa.gov/bookshelf/
  14. Provide alternative content for each SCRIPT that conveys important information or functionality.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    5. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/
  15. Group related links.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    4. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/
  16. If you use color to convey information, make sure the information is also represented another way.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    34. http://thunder.nsstc.nasa.gov/bookshelf/
  17. If an image conveys important information beyond what is its alternative text, provide an extended description.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  18. Specify a logical tab order among form controls, links and objects.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  19. Avoid using movement in images where possible.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  20. Use relative sizing and positioning (% values) rather than absolute (pixels).
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    34. http://thunder.nsstc.nasa.gov/bookshelf/
  21. Avoid using tables to format text documents in columns unless the table can be linearized.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  22. Provided a linear text alternative for tables that lay out content in parallel, word-wrapped columns.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/
  23. Provide alternative text for all images.
    1. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
  24. Provide both a description and a synchronized caption for video information.
    1. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
  25. Use header elements in the proper sequence and not for bold text.
    1. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
  26. Avoid use of deprecated language features if possible.
    1. http://thunder.nsstc.nasa.gov/bookshelf/index.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/pubs/sprites.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/pubs/index.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/pubs/atbd/index.html
    5. http://thunder.nsstc.nasa.gov/bookshelf/pubs/abstracts.html
    6. http://thunder.nsstc.nasa.gov/bookshelf/pubs/Obs_ligh_space.html
    7. http://thunder.nsstc.nasa.gov/bookshelf/pubs/
    8. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    9. http://thunder.nsstc.nasa.gov/bookshelf/news/table1.html
    10. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
    11. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    12. http://thunder.nsstc.nasa.gov/bookshelf/news/lislaunch.html
    13. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_release.html
    14. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_5.html
    15. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_4.html
    16. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_3.html
    17. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_2.html
    18. http://thunder.nsstc.nasa.gov/bookshelf/news/lis_1.html
    19. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_strikes_pattern.html
    20. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_sensor_launches.html
    21. http://thunder.nsstc.nasa.gov/bookshelf/news/lightning_likes_land.html
    22. http://thunder.nsstc.nasa.gov/bookshelf/news/index.html
    23. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    24. http://thunder.nsstc.nasa.gov/bookshelf/news/Earth_Observer_97_LIS_Mtg.html
    25. http://thunder.nsstc.nasa.gov/bookshelf/news/97-259.html
    26. http://thunder.nsstc.nasa.gov/bookshelf/news/1stimages.html
    27. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html
    28. http://thunder.nsstc.nasa.gov/bookshelf/docs/value_added_lightning_studies.html
    29. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
    30. http://thunder.nsstc.nasa.gov/bookshelf/docs/proposals.html
    31. http://thunder.nsstc.nasa.gov/bookshelf/docs/lightningPoem.html
    32. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
    33. http://thunder.nsstc.nasa.gov/bookshelf/docs/TRMM_Data.html
    34. http://thunder.nsstc.nasa.gov/bookshelf/docs/SciReq-LMSa.html
    35. http://thunder.nsstc.nasa.gov/bookshelf/
  27. Provide a synchronized textual transcript for the audio in videos.
    1. http://thunder.nsstc.nasa.gov/bookshelf/news/tornado_outbreak.html
    2. http://thunder.nsstc.nasa.gov/bookshelf/news/nasa_space_based_lightning_detectors.html
    3. http://thunder.nsstc.nasa.gov/bookshelf/news/TRMM_LaunchInformation.html
    4. http://thunder.nsstc.nasa.gov/bookshelf/docs/ghcc_scientists_driscoll.html
  28. Only use list elements for actual lists, not formatting.
    1. http://thunder.nsstc.nasa.gov/bookshelf/news/news_PA1.html
  29. Make sure that headings are nested properly.
    1. http://thunder.nsstc.nasa.gov/bookshelf/docs/val.html
  30. If a table is used for layout only, do not use structural markup to achieve formatting effects.
    1. http://thunder.nsstc.nasa.gov/bookshelf/docs/white_paper_driscoll.html