Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 844 · 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.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
2. 2.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
3. 3.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h1>
4. 4.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) dark grey on white (d) pink on red
5. 5.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
7. 7.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) white on dark blue (d) yellow on white
8. 8.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
9. 9.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
10. 10.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
11. 11.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) light grey on white (d) white on black
12. 12.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
13. 13.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) white on black (d) pink on red
15. 15.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
16. 16.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
18. 18.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
20. 20.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) black on white
21. 21.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
22. 22.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
23. 23.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
25. 25.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
27. 27.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
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 <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h6>
30. 30.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) yellow on white (d) red on green
31. 31.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h3>
32. 32.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h6>
33. 33.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
34. 34.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
36. 36.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) pink on red (d) white on black
37. 37.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
40. 40.True or false: “use big enough text” helps everyone use the page. (a) True (b) False

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