Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 544 · 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 <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h4>
2. 2.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) black on white
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
4. 4.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
7. 7.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
8. 8.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
9. 9.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
11. 11.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
13. 13.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
14. 14.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) dark grey on white (d) light grey on white
15. 15.True or false: “label every form box” makes the page harder to use. (a) True (b) False
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
17. 17.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
18. 18.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) white on dark blue
19. 19.♿ Does this help everyone, or make the page harder to use: link text “click here”? (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 white on dark blue easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
23. 23.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h2> (d) <h6>
24. 24.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h6>
25. 25.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
26. 26.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
27. 27.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
28. 28.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h6> (d) <h5>
29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
30. 30.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
31. 31.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
32. 32.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) pink on red (d) white on black
33. 33.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
34. 34.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
35. 35.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
37. 37.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
38. 38.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “label every form box” helps everyone use the page. (a) False (b) True
40. 40.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False

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