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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 501 · 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.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
  2. 2.Which colour pair is hard to read? (a) yellow on white (b) white on dark blue (c) black on white (d) yellow on black
  3. 3.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  4. 4.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h2>
  5. 5.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
  6. 6.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  7. 7.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
  8. 8.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  9. 9.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  10. 10.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) blue on purple (d) black on white
  11. 11.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
  12. 12.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
  13. 13.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
  14. 14.Which colour pair is easy to read? (a) pink on red (b) yellow on black (c) red on green (d) blue on purple
  15. 15.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) pink on red (d) blue on purple
  16. 16.True or false: “label every form box” makes the page harder to use. (a) True (b) False
  17. 17.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h3>
  18. 18.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h3>
  20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2>
    (a) No (b) Yes
  21. 21.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
  22. 22.Which colour pair is easy to read? (a) pink on red (b) white on black (c) blue on purple (d) yellow on white
  23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  24. 24.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
  25. 25.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  26. 26.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
  27. 27.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
  28. 28.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) red on green (d) white on black
  29. 29.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
  30. 30.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h6>
  31. 31.Which colour pair is hard to read? (a) white on black (b) pink on red (c) black on white (d) white on dark blue
  32. 32.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) Yes (b) No
  34. 34.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) red on green (d) white on dark blue
  35. 35.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
  36. 36.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
  37. 37.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2>
    (a) No (b) Yes
  39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) Yes (b) No
  40. 40.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read

Answer key

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

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