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Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 415 · 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.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h2> (d) <h6>
  2. 2.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) yellow on black (d) yellow on white
  3. 3.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4>
    (a) Yes (b) No
  4. 4.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
  5. 5.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
  6. 6.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2>
    (a) Yes (b) No
  7. 7.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4>
    (a) Yes (b) No
  8. 8.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) white on black (d) pink on red
  9. 9.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
  10. 10.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
  11. 11.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) pink on red (d) black on white
  12. 12.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
  13. 13.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
  14. 14.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
  15. 15.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
  16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4>
    (a) No (b) Yes
  17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2>
    (a) No (b) Yes
  18. 18.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
  19. 19.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) dark grey on white (d) yellow on white
  20. 20.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h3>
  21. 21.True or false: “label every form box” makes the page harder to use. (a) True (b) False
  22. 22.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
  23. 23.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
  24. 24.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) pink on red (d) black on white
  25. 25.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
  26. 26.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
  27. 27.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
  28. 28.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h2>
  29. 29.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
  30. 30.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) white on dark blue (d) blue on purple
  31. 31.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
  32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3>
    (a) Yes (b) No
  33. 33.Which colour pair is easy to read? (a) blue on purple (b) yellow on black (c) light grey on white (d) red on green
  34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3>
    (a) No (b) Yes
  35. 35.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
  36. 36.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
  37. 37.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
  38. 38.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
  39. 39.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
  40. 40.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder

Answer key

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

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