Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 80 · 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.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h2>
2. 2.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
3. 3.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
5. 5.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h5>
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h4>
7. 7.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
8. 8.Which colour pair is hard to read? (a) black on white (b) white on black (c) blue on purple (d) white on dark blue
9. 9.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
10. 10.Which colour pair is easy to read? (a) red on green (b) white on black (c) light grey on white (d) yellow on white
11. 11.Which colour pair is easy to read? (a) yellow on black (b) pink on red (c) yellow on white (d) red on green
12. 12.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
14. 14.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
15. 15.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
16. 16.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
17. 17.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
18. 18.Which colour pair is hard to read? (a) black on white (b) white on black (c) white on dark blue (d) light grey on white
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
21. 21.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
22. 22.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
23. 23.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
24. 24.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
25. 25.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
26. 26.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
28. 28.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) pink on red
31. 31.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
34. 34.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) yellow on black (d) dark grey on white
35. 35.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
36. 36.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h5>
37. 37.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
39. 39.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
40. 40.Which colour pair is easy to read? (a) yellow on white (b) white on dark blue (c) pink on red (d) red on green

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