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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 103 · 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 headings in order? (a) helps everyone (b) makes it harder
  2. 2.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) blue on purple (d) yellow on black
  3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
  4. 4.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) blue on purple (d) black on white
  5. 5.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) light grey on white (d) pink on red
  6. 6.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
  7. 7.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
  8. 8.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
  9. 9.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
  10. 10.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
  11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h6>
  12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3>
    (a) No (b) Yes
  13. 13.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
  14. 14.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
  15. 15.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
  16. 16.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
  17. 17.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
  18. 18.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h1> (d) <h6>
  19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h4> (d) <h6>
  20. 20.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
  21. 21.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
  22. 22.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) dark grey on white (d) blue on purple
  23. 23.Which colour pair is hard to read? (a) pink on red (b) black on white (c) dark grey on white (d) white on black
  24. 24.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) yellow on black (d) white on black
  25. 25.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
  26. 26.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
  27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5>
    (a) No (b) Yes
  28. 28.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
  29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5>
    (a) No (b) Yes
  30. 30.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) yellow on white (d) white on dark blue
  31. 31.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
  32. 32.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
  33. 33.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h3>
  34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
  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.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
  38. 38.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
  39. 39.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h6> (d) <h4>
  40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes

Answer key

  1. helps everyone
  2. yellow on black
  3. helps everyone
  4. blue on purple
  5. white on black
  6. text stands out clearly
  7. True
  8. people who are blind
  9. True
  10. Read the fruit facts
  11. <h2>
  12. No
  13. easy to read
  14. helps everyone
  15. easy to read
  16. makes it harder
  17. False
  18. <h6>
  19. <h5>
  20. False
  21. hard to read
  22. dark grey on white
  23. pink on red
  24. red on green
  25. easy to read
  26. hard to read
  27. No
  28. True
  29. No
  30. yellow on white
  31. makes it harder
  32. hard to read
  33. <h3>
  34. False
  35. makes it harder
  36. easy to read
  37. True
  38. False
  39. <h4>
  40. Yes

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