Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 641 · 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.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on black (d) light grey on white
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h4>
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
5. 5.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) white on dark blue (d) yellow on white
6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h4>
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
8. 8.True or false: “label every form box” helps everyone use the page. (a) False (b) True
9. 9.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
11. 11.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
12. 12.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h5>
14. 14.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
15. 15.Which colour pair is easy to read? (a) red on green (b) pink on red (c) yellow on black (d) yellow on white
16. 16.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
17. 17.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
19. 19.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) pink on red (d) yellow on white
20. 20.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
21. 21.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
22. 22.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h3>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
24. 24.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
25. 25.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
28. 28.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
29. 29.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
30. 30.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) blue on purple
32. 32.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
33. 33.Which colour pair is hard to read? (a) red on green (b) black on white (c) yellow on black (d) white on dark blue
34. 34.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
35. 35.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
37. 37.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
38. 38.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h5>
39. 39.Which colour pair is easy to read? (a) black on white (b) red on green (c) light grey on white (d) yellow on white
40. 40.True or false: “label every form box” makes the page harder to use. (a) True (b) False

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