Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 753 · 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.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
2. 2.True or false: “label every form box” makes the page harder to use. (a) True (b) False
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
4. 4.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) black on white (d) light grey on white
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h2> (d) <h1>
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
8. 8.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h2> (d) <h5>
11. 11.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
13. 13.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
16. 16.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
17. 17.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
18. 18.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
19. 19.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
20. 20.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
21. 21.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h3> (d) <h5>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No
25. 25.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) yellow on white (d) red on green
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
27. 27.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
29. 29.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) yellow on white (d) white on dark blue
32. 32.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
33. 33.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
34. 34.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
35. 35.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h5>
36. 36.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) blue on purple (d) white on dark blue
37. 37.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) blue on purple (d) light grey on white
38. 38.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
40. 40.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder

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