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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 144 · 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 easy to read? (a) blue on purple (b) black on white (c) yellow on white (d) light grey on white
  2. 2.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  3. 3.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3>
    (a) Yes (b) No
  4. 4.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  5. 5.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4>
    (a) No (b) Yes
  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.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
  8. 8.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) yellow on white (d) white on dark blue
  9. 9.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
  10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h1>
  11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) Yes (b) No
  12. 12.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h5>
  13. 13.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) black on white (d) yellow on white
  14. 14.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) blue on purple (d) dark grey on white
  15. 15.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
  16. 16.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) black on white (d) white on dark blue
  17. 17.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h4>
  18. 18.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
  19. 19.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) No (b) Yes
  21. 21.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  23. 23.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) dark grey on white (d) yellow on black
  24. 24.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) pink on red (d) white on black
  25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) No (b) Yes
  26. 26.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  27. 27.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  28. 28.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
  29. 29.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
  30. 30.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  31. 31.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  32. 32.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
  33. 33.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
  34. 34.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) pink on red (d) red on green
  35. 35.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
  36. 36.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) blue on purple (d) yellow on white
  37. 37.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) Yes (b) No
  39. 39.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h4>
  40. 40.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True

Answer key

  1. black on white
  2. helps everyone
  3. Yes
  4. makes it harder
  5. No
  6. makes it harder
  7. Read the fruit facts
  8. white on dark blue
  9. makes it harder
  10. <h2>
  11. No
  12. <h5>
  13. yellow on white
  14. blue on purple
  15. True
  16. red on green
  17. <h6>
  18. people who are blind
  19. helps everyone
  20. Yes
  21. True
  22. Yes
  23. light grey on white
  24. pink on red
  25. No
  26. hard to read
  27. hard to read
  28. text stands out clearly
  29. True
  30. easy to read
  31. False
  32. True
  33. True
  34. yellow on black
  35. hard to read
  36. white on black
  37. hard to read
  38. Yes
  39. <h4>
  40. False

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