Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 800 · 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 easy to read? (a) red on green (b) white on dark blue (c) pink on red (d) yellow on white
2. 2.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) white on dark blue (d) black on white
3. 3.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
5. 5.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
6. 6.Which colour pair is hard to read? (a) pink on red (b) black on white (c) white on black (d) white on dark blue
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
8. 8.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
9. 9.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
10. 10.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
11. 11.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h6>
12. 12.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
13. 13.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) blue on purple
14. 14.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
15. 15.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
17. 17.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) black on white
18. 18.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h5>
19. 19.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) light grey on white (d) pink on red
20. 20.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h5>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h4>
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
28. 28.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
29. 29.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
30. 30.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
31. 31.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
33. 33.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
34. 34.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
35. 35.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) black on white (d) white on black
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
37. 37.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
39. 39.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
40. 40.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True

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