Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 498 · 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 easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) white on black
2. 2.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
3. 3.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
4. 4.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
5. 5.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
6. 6.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
7. 7.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
9. 9.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
10. 10.Which colour pair is easy to read? (a) white on dark blue (b) red on green (c) light grey on white (d) blue on purple
11. 11.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
12. 12.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on white (d) yellow on black
13. 13.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
14. 14.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
15. 15.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
17. 17.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
18. 18.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
19. 19.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
20. 20.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
21. 21.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h4> (d) <h2>
22. 22.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
24. 24.Which colour pair is hard to read? (a) white on dark blue (b) blue on purple (c) yellow on black (d) dark grey on white
25. 25.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) black on white (d) red on green
27. 27.Which colour pair is hard to read? (a) black on white (b) white on black (c) light grey on white (d) yellow on black
28. 28.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) red on green (d) yellow on black
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
31. 31.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
32. 32.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
33. 33.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
34. 34.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h5>
35. 35.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
37. 37.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
39. 39.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) pink on red (d) black on white
40. 40.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False

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