Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 410 · 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.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
2. 2.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
3. 3.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) blue on purple (d) black on white
4. 4.🌗 Is dark grey on white 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: tiny grey text? (a) makes it harder (b) helps everyone
6. 6.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
9. 9.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
11. 11.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
12. 12.Which colour pair is easy to read? (a) red on green (b) pink on red (c) light grey on white (d) white on dark blue
13. 13.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
15. 15.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
16. 16.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h6>
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h6>
20. 20.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
21. 21.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
22. 22.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
23. 23.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
24. 24.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
26. 26.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
27. 27.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) yellow on black (d) black on white
28. 28.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
30. 30.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) black on white (d) dark grey on white
31. 31.True or false: “label every form box” makes the page harder to use. (a) False (b) True
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
33. 33.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h3>
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h2>
36. 36.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) yellow on white (d) dark grey on white
37. 37.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
38. 38.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) light grey on white (d) white on dark blue
39. 39.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes

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