Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 828 · 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) yellow on black (b) red on green (c) dark grey on white (d) black on white
2. 2.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h4> (d) <h2>
3. 3.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
4. 4.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on dark blue (d) pink on red
5. 5.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) light grey on white (d) pink on red
6. 6.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
7. 7.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h5>
8. 8.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
9. 9.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
10. 10.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) white on black (d) light grey on white
11. 11.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) black on white (d) light grey on white
12. 12.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
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.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
15. 15.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) red on green (d) light grey on white
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
20. 20.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
21. 21.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
23. 23.True or false: “label every form box” helps everyone use the page. (a) True (b) False
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h4> (d) <h3>
25. 25.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h1> (d) <h3>
27. 27.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on white (d) dark grey on white
28. 28.Which colour pair is hard to read? (a) pink on red (b) dark grey on white (c) black on white (d) white on dark blue
29. 29.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
32. 32.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
33. 33.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
36. 36.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
37. 37.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes

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