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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 389 · 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 hard to read? (a) yellow on black (b) white on dark blue (c) black on white (d) red on green
  2. 2.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2>
    (a) Yes (b) No
  3. 3.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  4. 4.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) yellow on white (d) red on green
  5. 5.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5>
    (a) Yes (b) No
  6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h5>
  7. 7.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
  8. 8.🌗 Is yellow on black 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: skipping heading levels? (a) helps everyone (b) makes it harder
  10. 10.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) red on green (d) yellow on black
  11. 11.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
  12. 12.Which colour pair is hard to read? (a) dark grey on white (b) pink on red (c) yellow on black (d) white on dark blue
  13. 13.Which colour pair is easy to read? (a) pink on red (b) white on black (c) blue on purple (d) red on green
  14. 14.Which colour pair is easy to read? (a) pink on red (b) white on dark blue (c) red on green (d) light grey on white
  15. 15.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  16. 16.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3>
    (a) No (b) Yes
  18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4>
    (a) Yes (b) No
  19. 19.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
  20. 20.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
  21. 21.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  22. 22.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
  23. 23.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  25. 25.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h3>
  26. 26.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
  27. 27.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on black (d) blue on purple
  28. 28.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  29. 29.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) Yes (b) No
  31. 31.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
  32. 32.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  33. 33.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) yellow on black (d) light grey on white
  34. 34.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
  35. 35.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h2>
  36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3>
    (a) No (b) Yes
  37. 37.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
  38. 38.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  39. 39.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
  40. 40.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read

Answer key

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

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