Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 228 · 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.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h5>
2. 2.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
3. 3.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
4. 4.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) white on black (d) light grey on white
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
8. 8.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
11. 11.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
12. 12.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
13. 13.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
15. 15.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) yellow on white (d) light grey on white
16. 16.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
18. 18.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
19. 19.Which colour pair is easy to read? (a) red on green (b) pink on red (c) black on white (d) yellow on white
20. 20.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
21. 21.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
23. 23.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
26. 26.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h1>
27. 27.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
30. 30.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
32. 32.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
33. 33.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
34. 34.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
35. 35.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) yellow on white (d) pink on red
36. 36.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) red on green (d) yellow on black
37. 37.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
38. 38.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h1>
39. 39.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
40. 40.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read

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