Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 810 · 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) <h4> (c) <h2> (d) <h1>
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
3. 3.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
4. 4.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
5. 5.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) black on white (d) pink on red
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
7. 7.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) here (d) link
8. 8.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
10. 10.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h1>
12. 12.Which colour pair is hard to read? (a) white on dark blue (b) light grey on white (c) dark grey on white (d) yellow on black
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
14. 14.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
16. 16.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
17. 17.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
18. 18.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h2>
19. 19.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h5>
20. 20.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
21. 21.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
22. 22.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
23. 23.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) red on green (d) light grey on white
24. 24.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
25. 25.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
26. 26.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
27. 27.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
29. 29.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) white on black (d) white on dark blue
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
31. 31.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
32. 32.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
33. 33.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
34. 34.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) light grey on white (d) red on green
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h3> (d) <h4>
36. 36.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
37. 37.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
40. 40.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone

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