Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 374 · 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 <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h5>
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
3. 3.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
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: images with no alt? (a) makes it harder (b) helps everyone
6. 6.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
7. 7.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) black on white (d) dark grey on white
8. 8.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
10. 10.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h5>
13. 13.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
17. 17.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h1> (d) <h6>
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
20. 20.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
21. 21.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
23. 23.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) pink on red (d) red on green
24. 24.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h2> (d) <h5>
25. 25.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
26. 26.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) light grey on white (d) white on black
27. 27.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
28. 28.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
29. 29.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
30. 30.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h5>
31. 31.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
32. 32.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
35. 35.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) blue on purple (d) black on white
36. 36.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
37. 37.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
39. 39.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) pink on red (d) white on dark blue
40. 40.Which colour pair is easy to read? (a) white on dark blue (b) red on green (c) blue on purple (d) light grey on white

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