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Web Worksheet: Accessibility Basics

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

Answer key

  1. <h5>
  2. pink on red
  3. Read the fruit facts
  4. helps everyone
  5. white on dark blue
  6. red on green
  7. text stands out clearly
  8. True
  9. <h6>
  10. hard to read
  11. people who are blind
  12. black on white
  13. easy to read
  14. yellow on white
  15. dark grey on white
  16. No
  17. Yes
  18. helps everyone
  19. Yes
  20. easy to read
  21. Yes
  22. helps everyone
  23. makes it harder
  24. helps everyone
  25. yellow on black
  26. easy to read
  27. False
  28. blue on purple
  29. No
  30. No
  31. <h2>
  32. No
  33. True
  34. <h4>
  35. <h3>
  36. light grey on white
  37. hard to read
  38. True
  39. makes it harder
  40. No

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