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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 531 · 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.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
  2. 2.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h5> (d) <h6>
  3. 3.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) white on dark blue (d) yellow on black
  4. 4.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
  5. 5.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
  6. 6.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on white (d) dark grey on white
  7. 7.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3>
    (a) Yes (b) No
  8. 8.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
  9. 9.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) No (b) Yes
  10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3>
    (a) Yes (b) No
  11. 11.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  12. 12.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
  13. 13.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) blue on purple (d) black on white
  14. 14.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
  15. 15.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
  17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) Yes (b) No
  18. 18.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  19. 19.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
  20. 20.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
  21. 21.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  22. 22.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) click here (d) link
  23. 23.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  24. 24.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) white on dark blue (d) yellow on white
  25. 25.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
  26. 26.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
  27. 27.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h5>
  28. 28.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
  29. 29.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  30. 30.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
  31. 31.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h1>
  32. 32.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
  33. 33.Which colour pair is hard to read? (a) white on dark blue (b) pink on red (c) dark grey on white (d) yellow on black
  34. 34.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
  35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2>
    (a) Yes (b) No
  36. 36.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  37. 37.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
  38. 38.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on black (d) blue on purple
  39. 39.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) black on white (d) yellow on black
  40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2>
    (a) No (b) Yes

Answer key

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

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