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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 549 · 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.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
  2. 2.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
  3. 3.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) pink on red
  4. 4.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h5>
  5. 5.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
  6. 6.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
  7. 7.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) red on green (d) blue on purple
  8. 8.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4>
    (a) Yes (b) No
  9. 9.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h3>
  11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h3>
  12. 12.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
  13. 13.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  14. 14.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) light grey on white (d) yellow on black
  15. 15.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  16. 16.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
  17. 17.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  18. 18.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
  19. 19.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h1> (d) <h2>
  20. 20.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
  21. 21.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
  22. 22.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
  23. 23.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h2>
  24. 24.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5>
    (a) Yes (b) No
  26. 26.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
  27. 27.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
  28. 28.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  29. 29.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
  30. 30.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
  31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  32. 32.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
  33. 33.Which colour pair is hard to read? (a) yellow on black (b) red on green (c) white on dark blue (d) dark grey on white
  34. 34.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  35. 35.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) white on dark blue (d) red on green
  36. 36.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3>
    (a) No (b) Yes
  38. 38.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
  39. 39.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
  40. 40.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) yellow on black (d) black on white

Answer key

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

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