Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 623 · 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.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
4. 4.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
5. 5.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
6. 6.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) white on dark blue (d) yellow on white
7. 7.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
8. 8.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
11. 11.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
12. 12.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h2>
13. 13.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h3>
16. 16.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h3>
17. 17.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
19. 19.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
21. 21.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
22. 22.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
23. 23.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
24. 24.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
25. 25.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
27. 27.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) red on green (d) blue on purple
28. 28.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h5>
29. 29.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
30. 30.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) white on dark blue (d) blue on purple
32. 32.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark grey on white (d) blue on purple
33. 33.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
35. 35.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
36. 36.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
38. 38.True or false: “label every form box” makes the page harder to use. (a) False (b) True
39. 39.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
40. 40.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h6>

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