Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 889 · 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> → <h3> (a) Yes (b) No
2. 2.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
3. 3.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
5. 5.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h6>
7. 7.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
8. 8.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
9. 9.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h6>
12. 12.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
13. 13.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
14. 14.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy 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> → <h1> → <h3> (a) Yes (b) No
17. 17.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
18. 18.Which colour pair is easy to read? (a) pink on red (b) black on white (c) yellow on white (d) light grey on white
19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
20. 20.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
21. 21.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) yellow on white (d) dark grey on white
23. 23.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
24. 24.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
25. 25.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
26. 26.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) red on green
27. 27.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) red on green (d) pink on red
28. 28.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h6>
29. 29.Which colour pair is hard to read? (a) blue on purple (b) white on black (c) dark grey on white (d) white on dark blue
30. 30.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h4>
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
33. 33.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
34. 34.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) light grey on white (d) red on green
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
37. 37.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) black on white (d) white on black
39. 39.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
40. 40.True or false: “write clear link text” helps everyone use the page. (a) False (b) True

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