Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 964 · 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) white on dark blue (b) white on black (c) yellow on white (d) dark grey on white
2. 2.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h4>
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
4. 4.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) white on black (d) yellow on black
5. 5.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
6. 6.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
7. 7.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h1>
8. 8.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
11. 11.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
12. 12.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) black on white
13. 13.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
14. 14.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) white on dark blue
15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
16. 16.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
17. 17.Which colour pair is hard to read? (a) yellow on black (b) pink on red (c) black on white (d) white on black
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
19. 19.True or false: “label every form box” makes the page harder to use. (a) True (b) False
20. 20.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
21. 21.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
22. 22.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
23. 23.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) yellow on black (d) red on green
24. 24.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
27. 27.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) white on black (d) yellow on white
28. 28.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
30. 30.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h4>
31. 31.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h2>
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
33. 33.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) blue on purple (d) white on dark blue
34. 34.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
35. 35.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
38. 38.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
40. 40.True or false: “use headings in order” makes the page harder to use. (a) False (b) True

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