Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 970 · 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) dark grey on white (b) red on green (c) yellow on black (d) white on dark blue
2. 2.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
3. 3.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
4. 4.♿ 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>
5. 5.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
7. 7.Which colour pair is hard to read? (a) yellow on black (b) yellow on white (c) black on white (d) dark grey on white
8. 8.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
9. 9.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
13. 13.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
14. 14.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
15. 15.True or false: “images with no alt” makes the page harder to use. (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.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
19. 19.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
20. 20.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
24. 24.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h4> (d) <h1>
26. 26.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
28. 28.♿ Does this help everyone, or make the page harder to use: label every form box? (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.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
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 hard to read? (a) light grey on white (b) black on white (c) yellow on black (d) white on dark blue
33. 33.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
36. 36.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h4>
37. 37.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
38. 38.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
39. 39.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes

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