Web Worksheet: Accessibility Basics

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

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