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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 244 · 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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3>
    (a) No (b) Yes
  2. 2.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
  3. 3.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2>
    (a) No (b) Yes
  4. 4.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
  5. 5.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
  6. 6.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
  7. 7.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h1>
  8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
  9. 9.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  10. 10.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  11. 11.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) yellow on black (d) pink on red
  12. 12.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
  13. 13.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h2>
  14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) No (b) Yes
  15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
  16. 16.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
  17. 17.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
  18. 18.True or false: “label every form box” makes the page harder to use. (a) False (b) True
  19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2>
    (a) Yes (b) No
  20. 20.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  21. 21.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on dark blue (d) red on green
  22. 22.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
  23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  24. 24.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) blue on purple (d) white on black
  25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  26. 26.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
  27. 27.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
  28. 28.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
  29. 29.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
  30. 30.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) dark grey on white (d) red on green
  31. 31.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
  32. 32.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
  33. 33.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
  34. 34.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h3>
  35. 35.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) yellow on black (d) light grey on white
  36. 36.Which colour pair is hard to read? (a) white on black (b) black on white (c) yellow on white (d) dark grey on white
  37. 37.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
  38. 38.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) Yes (b) No
  40. 40.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) black on white (d) yellow on white

Answer key

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

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