Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 48 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
3. 3.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) dark grey on white (d) white on black
4. 4.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
6. 6.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
7. 7.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
10. 10.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h3> (d) <h1>
11. 11.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) blue on purple (d) yellow on white
12. 12.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h6> (d) <h5>
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
14. 14.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
15. 15.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
17. 17.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
18. 18.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
20. 20.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
21. 21.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) light grey on white (d) blue on purple
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
23. 23.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
24. 24.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) dark grey on white (d) yellow on black
25. 25.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
27. 27.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
28. 28.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
30. 30.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
32. 32.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
33. 33.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) light grey on white (d) white on dark blue
34. 34.True or false: “label every form box” makes the page harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
36. 36.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
38. 38.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
39. 39.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) light grey on white (d) red on green
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) No (b) Yes

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