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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 655 · 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.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) light grey on white (d) black on white
  2. 2.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) Yes (b) No
  3. 3.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
  4. 4.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  5. 5.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h5>
  7. 7.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
  8. 8.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h5>
  10. 10.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  11. 11.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
  12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5>
    (a) No (b) Yes
  13. 13.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) blue on purple (d) dark grey on white
  14. 14.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
  15. 15.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
  16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2>
    (a) Yes (b) No
  17. 17.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
  18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
  19. 19.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h3> (d) <h6>
  20. 20.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
  21. 21.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  22. 22.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2>
    (a) Yes (b) No
  24. 24.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
  25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3>
    (a) Yes (b) No
  26. 26.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) light grey on white
  27. 27.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) yellow on black (d) light grey on white
  28. 28.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  29. 29.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
  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.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  32. 32.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
  33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2>
    (a) No (b) Yes
  34. 34.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
  35. 35.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  36. 36.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) no colours at all (d) only red text
  37. 37.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  38. 38.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  39. 39.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) black on white (d) pink on red
  40. 40.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True

Answer key

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

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