Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 475 · 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 dark blue easy or hard to read? (a) hard to read (b) easy to read
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.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h2>
5. 5.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
6. 6.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on black (d) light grey on white
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) yellow on black (d) white on dark blue
12. 12.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on black (d) pink on red
13. 13.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on black (d) red on green
14. 14.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) black on white (d) yellow on white
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
16. 16.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
17. 17.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h5>
18. 18.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
19. 19.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
21. 21.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
23. 23.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h1>
24. 24.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
25. 25.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
27. 27.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) white on dark blue (d) white on black
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
29. 29.Which colour pair is easy to read? (a) red on green (b) dark grey on white (c) light grey on white (d) pink on red
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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
33. 33.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) white on dark blue
34. 34.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
35. 35.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
37. 37.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
38. 38.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
39. 39.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No

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