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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 816 · 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: label every form box? (a) makes it harder (b) helps everyone
  2. 2.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) yellow on black (d) white on black
  3. 3.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
  4. 4.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  5. 5.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
  6. 6.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
  7. 7.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) white on black (d) yellow on black
  8. 8.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) here (d) link
  9. 9.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
  10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
  12. 12.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
  13. 13.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
  14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
  16. 16.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h3>
  17. 17.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
  18. 18.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h4>
  19. 19.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
  20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
  21. 21.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
  22. 22.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
  23. 23.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
  24. 24.Which colour pair is easy to read? (a) pink on red (b) black on white (c) blue on purple (d) light grey on white
  25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4>
    (a) Yes (b) No
  26. 26.Which colour pair is hard to read? (a) white on black (b) black on white (c) red on green (d) yellow on black
  27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) Yes (b) No
  28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  29. 29.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h4>
  30. 30.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  31. 31.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
  32. 32.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
  33. 33.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
  34. 34.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  35. 35.True or false: “label every form box” makes the page harder to use. (a) True (b) False
  36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3>
    (a) No (b) Yes
  37. 37.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  38. 38.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
  39. 39.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) blue on purple (d) red on green
  40. 40.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True

Answer key

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

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