Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 528 · 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) only red text (c) many bright colours (d) text stands out clearly
2. 2.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
3. 3.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
4. 4.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h4>
5. 5.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) dark grey on white (d) black on white
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
7. 7.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
8. 8.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
9. 9.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) yellow on white (d) light grey on white
10. 10.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
11. 11.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
12. 12.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
14. 14.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
15. 15.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h2> (d) <h4>
17. 17.True or false: “label every form box” makes the page harder to use. (a) True (b) False
18. 18.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) red on green (d) yellow on black
19. 19.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) pink on red (d) white on dark blue
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
21. 21.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
22. 22.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
23. 23.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
24. 24.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) yellow on white (d) red on green
27. 27.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) red on green (d) pink on red
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
30. 30.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h1>
31. 31.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
32. 32.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h3>
34. 34.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
36. 36.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) light grey on white
37. 37.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
38. 38.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
39. 39.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) black on white (d) yellow on white
40. 40.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder

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