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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 443 · 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) red on green (b) dark grey on white (c) light grey on white (d) yellow on white
  2. 2.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
  3. 3.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) light grey on white (d) white on black
  4. 4.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
  5. 5.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
  6. 6.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  7. 7.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
  8. 8.Which colour pair is hard to read? (a) black on white (b) pink on red (c) white on dark blue (d) white on black
  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.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
  11. 11.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
  12. 12.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  13. 13.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
  14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
  15. 15.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) yellow on white (d) red on green
  16. 16.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h5> (d) <h1>
  17. 17.♿ 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>
  18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) Yes (b) No
  19. 19.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
  20. 20.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
  21. 21.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
  22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3>
    (a) Yes (b) No
  24. 24.Which colour pair is hard to read? (a) black on white (b) red on green (c) white on dark blue (d) white on black
  25. 25.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
  26. 26.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
  27. 27.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
  28. 28.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) white on dark blue
  29. 29.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
  30. 30.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
  31. 31.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) text stands out clearly (d) many bright colours
  32. 32.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
  33. 33.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  34. 34.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
  35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2>
    (a) Yes (b) No
  36. 36.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
  37. 37.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) dark grey on white (d) white on black
  38. 38.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  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 easy to read? (a) yellow on white (b) pink on red (c) black on white (d) light grey on white

Answer key

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

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