Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 308 · 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.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
3. 3.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
4. 4.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h1> (d) <h2>
5. 5.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
6. 6.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) yellow on black
7. 7.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
8. 8.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
9. 9.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
11. 11.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
13. 13.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
14. 14.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
16. 16.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h4>
18. 18.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
19. 19.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) blue on purple (d) black on white
20. 20.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) yellow on black (d) dark grey on white
21. 21.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) white on dark blue (d) yellow on black
22. 22.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) yellow on black (d) blue on purple
23. 23.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
24. 24.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
26. 26.🌗 Is red on green 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> → <h2> → <h2> (a) No (b) Yes
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
29. 29.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
31. 31.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
32. 32.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
34. 34.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) white on dark blue (d) pink on red
35. 35.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on white (d) white on black
36. 36.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
37. 37.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) blue on purple (d) yellow on white
38. 38.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
40. 40.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read

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