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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 521 · 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: add alt text to images? (a) makes it harder (b) helps everyone
  2. 2.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) dark grey on white (d) black on white
  3. 3.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) black on white (d) yellow on white
  4. 4.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) No (b) Yes
  5. 5.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
  6. 6.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on white (d) white on black
  7. 7.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
  8. 8.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  9. 9.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
  10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h5>
  11. 11.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  12. 12.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  13. 13.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
  14. 14.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
  15. 15.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h6> (d) <h2>
  16. 16.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
  17. 17.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
  18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h5>
  19. 19.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  20. 20.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
  21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) Yes (b) No
  22. 22.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
  23. 23.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  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.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
  26. 26.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) white on black (d) pink on red
  27. 27.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  28. 28.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
  29. 29.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) blue on purple (d) yellow on white
  30. 30.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h5>
  31. 31.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
  32. 32.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  33. 33.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4>
    (a) Yes (b) No
  35. 35.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) light grey on white
  36. 36.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
  37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) Yes (b) No
  38. 38.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
  39. 39.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  40. 40.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) yellow on black (d) blue on purple

Answer key

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

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