Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 870 · 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 link text is clearest? (a) Read the fruit facts (b) here (c) click here (d) link
2. 2.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) white on black (d) pink on red
3. 3.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
5. 5.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h6>
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
7. 7.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
9. 9.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) light grey on white (d) white on black
10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
11. 11.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
12. 12.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
13. 13.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
15. 15.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
16. 16.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
17. 17.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
18. 18.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
19. 19.Which colour pair is easy to read? (a) yellow on white (b) white on dark blue (c) blue on purple (d) red on green
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
21. 21.Which colour pair is easy to read? (a) black on white (b) light grey on white (c) pink on red (d) red on green
22. 22.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
23. 23.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
24. 24.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
25. 25.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
26. 26.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
27. 27.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
28. 28.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
30. 30.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
31. 31.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
32. 32.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) black on white (d) pink on red
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
34. 34.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on white (d) yellow on black
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
36. 36.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
37. 37.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
39. 39.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
40. 40.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read

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