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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 592 · 40 questions
TalentJR

Code tip (Pages for everyone): Headings go down one level at a time: h1 → h2 → h3 (they may jump back up). Alt text on images, clear link text, labels on form boxes, big enough text. Strong contrast (black on white, yellow on black) is easy to read; light grey on white is not.

NameDateTime takenScore ___ / 40
  1. 1.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  2. 2.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
  3. 3.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
  4. 4.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
  5. 5.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  6. 6.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2>
    (a) No (b) Yes
  7. 7.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
  8. 8.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h3>
  9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h5>
  10. 10.True or false: “label every form box” helps everyone use the page. (a) True (b) False
  11. 11.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) yellow on white (d) white on dark blue
  12. 12.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) red on green (d) yellow on black
  13. 13.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
  14. 14.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) text stands out clearly (d) many bright colours
  15. 15.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
  16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3>
    (a) Yes (b) No
  17. 17.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  18. 18.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) blue on purple (d) white on black
  19. 19.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  20. 20.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
  21. 21.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
  22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  23. 23.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) white on black (d) pink on red
  24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3>
    (a) No (b) Yes
  25. 25.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
  26. 26.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
  27. 27.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) dark grey on white
  28. 28.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
  29. 29.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
  30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3>
    (a) No (b) Yes
  31. 31.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) black on white (d) yellow on white
  32. 32.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
  33. 33.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) red on green (d) black on white
  34. 34.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  35. 35.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h6> (d) <h2>
  36. 36.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
  37. 37.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) yellow on black (d) white on dark blue
  38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3>
    (a) Yes (b) No
  39. 39.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h6> (d) <h2>
  40. 40.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read

Answer key

  1. hard to read
  2. False
  3. people who are blind
  4. easy to read
  5. hard to read
  6. No
  7. helps everyone
  8. <h3>
  9. <h5>
  10. True
  11. white on dark blue
  12. yellow on black
  13. easy to read
  14. text stands out clearly
  15. makes it harder
  16. Yes
  17. helps everyone
  18. blue on purple
  19. makes it harder
  20. helps everyone
  21. hard to read
  22. Yes
  23. white on black
  24. No
  25. True
  26. easy to read
  27. dark grey on white
  28. hard to read
  29. easy to read
  30. No
  31. black on white
  32. makes it harder
  33. red on green
  34. makes it harder
  35. <h6>
  36. True
  37. light grey on white
  38. No
  39. <h2>
  40. easy to read

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