Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 750 · 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> → <h2> → <h4> → <h4> (a) Yes (b) No
2. 2.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h6>
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
5. 5.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) dark grey on white (d) black on white
9. 9.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
10. 10.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) light grey on white (d) black on white
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h6>
12. 12.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) white on dark blue (d) blue on purple
13. 13.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
14. 14.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
15. 15.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
16. 16.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
17. 17.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
19. 19.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) black on white (d) yellow on black
20. 20.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h4>
21. 21.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
22. 22.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
23. 23.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
24. 24.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
25. 25.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h2> (d) <h3>
27. 27.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) dark grey on white
28. 28.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
29. 29.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
30. 30.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
32. 32.Which colour pair is easy to read? (a) white on black (b) pink on red (c) blue on purple (d) red on green
33. 33.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
34. 34.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
37. 37.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
38. 38.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h1>
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No

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