Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 494 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
2. 2.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
3. 3.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) yellow on white
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
5. 5.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
6. 6.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
7. 7.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
8. 8.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
9. 9.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
10. 10.Which colour pair is hard to read? (a) blue on purple (b) dark grey on white (c) white on dark blue (d) black on white
11. 11.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.Which colour pair is easy to read? (a) pink on red (b) white on black (c) red on green (d) light grey on white
13. 13.Which colour pair is easy to read? (a) pink on red (b) white on dark blue (c) yellow on white (d) red on green
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
15. 15.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
17. 17.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
18. 18.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
19. 19.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
20. 20.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h1>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
23. 23.Which colour pair is hard to read? (a) white on black (b) black on white (c) white on dark blue (d) pink on red
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h2> (d) <h3>
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h2>
26. 26.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h4>
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
28. 28.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only coders (d) only robots
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
33. 33.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
35. 35.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
36. 36.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
37. 37.True or false: “label every form box” makes the page harder to use. (a) False (b) True
38. 38.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) light grey on white (d) red on green
39. 39.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
40. 40.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read

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