Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 662 · 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.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
3. 3.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
4. 4.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
6. 6.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
7. 7.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h4>
11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h2>
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
13. 13.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
14. 14.Which colour pair is hard to read? (a) white on black (b) black on white (c) light grey on white (d) yellow on black
15. 15.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
16. 16.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) white on dark blue (d) white on black
17. 17.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.Which colour pair is hard to read? (a) dark grey on white (b) blue on purple (c) black on white (d) yellow on black
19. 19.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No
21. 21.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
22. 22.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
23. 23.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
25. 25.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
26. 26.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
27. 27.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) light grey on white (d) yellow on white
28. 28.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) pink on red (d) black on white
29. 29.True or false: “label every form box” helps everyone use the page. (a) True (b) False
30. 30.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
32. 32.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
33. 33.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
35. 35.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
36. 36.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) white on dark blue
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
38. 38.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) red on green (d) blue on purple
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
40. 40.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h5>

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