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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 568 · 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) black on white (b) light grey on white (c) red on green (d) blue on purple
  2. 2.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) no colours at all (d) only red text
  3. 3.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
  4. 4.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  5. 5.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) yellow on white (d) dark grey on white
  6. 6.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
  7. 7.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
  8. 8.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  9. 9.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h2>
  10. 10.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h2> (d) <h3>
  11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4>
    (a) Yes (b) No
  12. 12.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
  13. 13.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) here (d) link
  14. 14.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
  15. 15.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h4>
  17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5>
    (a) No (b) Yes
  18. 18.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) white on dark blue (d) pink on red
  19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3>
    (a) Yes (b) No
  20. 20.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) pink on red (d) red on green
  21. 21.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
  22. 22.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
  23. 23.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
  24. 24.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
  25. 25.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
  26. 26.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
  27. 27.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  28. 28.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) pink on red (d) yellow on black
  29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  30. 30.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
  31. 31.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  32. 32.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  33. 33.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h6>
  34. 34.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
  35. 35.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
  36. 36.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) light grey on white (d) yellow on white
  37. 37.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  38. 38.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  40. 40.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) yellow on black (d) red on green

Answer key

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

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