Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 872 · 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 this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
2. 2.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
3. 3.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
4. 4.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
5. 5.True or false: “label every form box” helps everyone use the page. (a) False (b) True
6. 6.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) yellow on white (d) white on black
7. 7.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) yellow on white (d) blue on purple
8. 8.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h3>
9. 9.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
10. 10.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
11. 11.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) red on green (d) yellow on black
12. 12.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
13. 13.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
15. 15.True or false: “label every form box” makes the page harder to use. (a) False (b) True
16. 16.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
18. 18.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h5>
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
23. 23.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
24. 24.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on black (d) light grey on white
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
26. 26.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
29. 29.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) yellow on black (d) blue on purple
31. 31.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
32. 32.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
33. 33.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
35. 35.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h3>
36. 36.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
37. 37.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
38. 38.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
40. 40.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False

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