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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 497 · 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.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
  2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
  3. 3.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  4. 4.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
  5. 5.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h5>
  6. 6.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  7. 7.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
  8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h2>
  9. 9.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4>
    (a) Yes (b) No
  10. 10.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
  11. 11.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
  12. 12.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  13. 13.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) yellow on black (d) red on green
  14. 14.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) red on green (d) white on dark blue
  15. 15.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) red on green (d) yellow on white
  16. 16.Which colour pair is hard to read? (a) black on white (b) red on green (c) white on dark blue (d) yellow on black
  17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2>
    (a) No (b) Yes
  18. 18.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) light grey on white
  19. 19.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
  20. 20.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  21. 21.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  22. 22.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
  23. 23.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
  24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) No (b) Yes
  25. 25.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h2>
  26. 26.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
  27. 27.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
  28. 28.♿ 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>
  29. 29.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) red on green (d) black on white
  30. 30.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  31. 31.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
  32. 32.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
  33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  34. 34.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
  35. 35.True or false: “label every form box” helps everyone use the page. (a) True (b) False
  36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4>
    (a) No (b) Yes
  37. 37.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  38. 38.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) yellow on white (d) black on white
  39. 39.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  40. 40.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read

Answer key

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

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