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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 653 · 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.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  2. 2.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h3>
  3. 3.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) red on green (d) blue on purple
  4. 4.True or false: “label every form box” makes the page harder to use. (a) True (b) False
  5. 5.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  6. 6.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
  7. 7.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
  8. 8.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  9. 9.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4>
    (a) Yes (b) No
  10. 10.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
  11. 11.Which colour pair is hard to read? (a) white on dark blue (b) light grey on white (c) black on white (d) white on black
  12. 12.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  13. 13.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
  14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4>
    (a) No (b) Yes
  15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
  16. 16.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
  17. 17.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) black on white (d) blue on purple
  18. 18.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
  19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
  20. 20.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
  21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) Yes (b) No
  23. 23.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) white on black (d) white on dark blue
  24. 24.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) white on black
  25. 25.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) white on black (d) dark grey on white
  26. 26.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
  27. 27.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h3>
  28. 28.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
  29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) No (b) Yes
  30. 30.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h1> (d) <h2>
  31. 31.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  32. 32.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
  33. 33.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
  34. 34.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3>
    (a) Yes (b) No
  36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4>
    (a) No (b) Yes
  37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) No (b) Yes
  38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5>
    (a) No (b) Yes
  39. 39.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  40. 40.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder

Answer key

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

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