Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 734 · 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) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
2. 2.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
3. 3.Which colour pair is hard to read? (a) red on green (b) black on white (c) white on dark blue (d) white on black
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
5. 5.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
8. 8.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
10. 10.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
11. 11.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
14. 14.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h5>
15. 15.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) white on black
16. 16.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
17. 17.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
18. 18.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
19. 19.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
20. 20.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) light grey on white (d) white on dark blue
21. 21.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
22. 22.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
23. 23.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on black (d) yellow on white
24. 24.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
26. 26.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
28. 28.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
29. 29.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h2>
30. 30.True or false: “label every form box” makes the page harder to use. (a) True (b) False
31. 31.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) white on black (d) yellow on white
32. 32.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h3> (d) <h2>
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
35. 35.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
38. 38.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No

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