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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 759 · 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.Which colour pair is easy to read? (a) pink on red (b) white on black (c) yellow on white (d) light grey on white
  2. 2.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2>
    (a) No (b) Yes
  3. 3.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
  4. 4.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
  5. 5.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3>
    (a) No (b) Yes
  6. 6.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
  7. 7.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) dark grey on white (d) white on black
  8. 8.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
  9. 9.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
  10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3>
    (a) Yes (b) No
  12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h6>
  13. 13.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) red on green (d) light grey on white
  14. 14.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  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.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  17. 17.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) No (b) Yes
  19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h2>
  20. 20.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) dark grey on white
  21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5>
    (a) Yes (b) No
  22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  25. 25.True or false: “label every form box” makes the page harder to use. (a) False (b) True
  26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
  27. 27.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) dark grey on white (d) yellow on black
  28. 28.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
  29. 29.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
  30. 30.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  31. 31.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) red on green (d) light grey on white
  32. 32.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on white (d) yellow on black
  33. 33.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
  34. 34.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h3>
  35. 35.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
  36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4>
    (a) Yes (b) No
  37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4>
    (a) Yes (b) No
  38. 38.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
  39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3>
    (a) Yes (b) No
  40. 40.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read

Answer key

  1. white on black
  2. Yes
  3. people who are blind
  4. easy to read
  5. No
  6. True
  7. red on green
  8. easy to read
  9. makes it harder
  10. makes it harder
  11. Yes
  12. <h3>
  13. black on white
  14. helps everyone
  15. makes it harder
  16. False
  17. easy to read
  18. Yes
  19. <h5>
  20. dark grey on white
  21. No
  22. helps everyone
  23. makes it harder
  24. helps everyone
  25. False
  26. False
  27. light grey on white
  28. <h6>
  29. text stands out clearly
  30. helps everyone
  31. white on dark blue
  32. yellow on white
  33. hard to read
  34. <h4>
  35. hard to read
  36. No
  37. No
  38. Read the fruit facts
  39. Yes
  40. hard to read

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