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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 678 · 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: use big enough text? (a) makes it harder (b) helps everyone
  2. 2.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
  3. 3.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) Yes (b) No
  4. 4.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
  5. 5.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
  6. 6.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) pink on red (d) yellow on white
  7. 7.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only robots (d) only coders
  8. 8.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
  9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  10. 10.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
  11. 11.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
  12. 12.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  13. 13.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
  14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4>
    (a) No (b) Yes
  16. 16.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
  17. 17.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) yellow on black (d) red on green
  18. 18.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  19. 19.Which colour pair is hard to read? (a) black on white (b) white on black (c) dark grey on white (d) yellow on white
  20. 20.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
  21. 21.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h3>
  22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  24. 24.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  25. 25.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) blue on purple (d) white on dark blue
  26. 26.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h5>
  27. 27.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  28. 28.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
  29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3>
    (a) No (b) Yes
  30. 30.True or false: “label every form box” helps everyone use the page. (a) False (b) True
  31. 31.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) light grey on white (d) pink on red
  32. 32.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
  33. 33.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) yellow on white (d) black on white
  34. 34.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) pink on red (d) white on black
  35. 35.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
  36. 36.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h5>
  37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h3>
  38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) No (b) Yes
  39. 39.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) white on dark blue (d) yellow on black
  40. 40.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone

Answer key

  1. helps everyone
  2. True
  3. No
  4. hard to read
  5. False
  6. white on black
  7. people who are blind
  8. Read the fruit facts
  9. makes it harder
  10. helps everyone
  11. False
  12. helps everyone
  13. text stands out clearly
  14. Yes
  15. No
  16. easy to read
  17. red on green
  18. hard to read
  19. yellow on white
  20. hard to read
  21. <h2>
  22. helps everyone
  23. Yes
  24. False
  25. blue on purple
  26. <h4>
  27. helps everyone
  28. easy to read
  29. Yes
  30. True
  31. yellow on black
  32. True
  33. black on white
  34. pink on red
  35. False
  36. <h3>
  37. <h6>
  38. Yes
  39. light grey on white
  40. makes it harder

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