Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 63 · 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> → <h1> → <h1> → <h2> (a) Yes (b) No
2. 2.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
3. 3.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) blue on purple (d) light grey on white
4. 4.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
5. 5.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
7. 7.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
8. 8.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) white on dark blue (d) black on white
11. 11.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h3> (d) <h6>
12. 12.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
14. 14.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) yellow on white (d) pink on red
15. 15.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
16. 16.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
18. 18.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
19. 19.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
20. 20.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) light grey on white (d) black on white
21. 21.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h4> (d) <h1>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
24. 24.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
25. 25.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
26. 26.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
27. 27.Which colour pair is hard to read? (a) white on dark blue (b) blue on purple (c) yellow on black (d) dark grey on white
28. 28.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
29. 29.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) yellow on black (d) light grey on white
31. 31.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h4>
32. 32.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
33. 33.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) white on dark blue (d) red on green
34. 34.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
36. 36.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) white on black (d) pink on red
37. 37.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
39. 39.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
40. 40.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True

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