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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 766 · 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) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
  2. 2.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) blue on purple
  3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  4. 4.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) dark grey on white
  5. 5.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  6. 6.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  7. 7.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h5>
  8. 8.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) black on white
  9. 9.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
  10. 10.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h3>
  12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4>
    (a) Yes (b) No
  13. 13.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h1>
  14. 14.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
  15. 15.Which colour pair is easy to read? (a) pink on red (b) dark grey on white (c) red on green (d) yellow on white
  16. 16.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (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: skipping heading levels? (a) helps everyone (b) makes it harder
  19. 19.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
  20. 20.🌗 Is yellow 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) white on dark blue (b) red on green (c) yellow on white (d) light grey on white
  22. 22.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  23. 23.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
  24. 24.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) pink on red (d) black on white
  25. 25.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) light grey on white (d) pink on red
  26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) No (b) Yes
  27. 27.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  29. 29.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
  30. 30.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  31. 31.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on dark blue (d) yellow on white
  32. 32.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
  33. 33.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
  34. 34.True or false: “label every form box” helps everyone use the page. (a) True (b) False
  35. 35.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
  36. 36.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
  37. 37.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h1>
  38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) Yes (b) No
  39. 39.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  40. 40.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) yellow on black (d) white on black

Answer key

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

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