Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 420 · 40 questions

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.

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

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