Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 830 · 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) white on dark blue (b) white on black (c) dark grey on white (d) yellow on white
2. 2.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h2> (d) <h4>
3. 3.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
4. 4.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
5. 5.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
8. 8.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
10. 10.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) yellow on white (d) red on green
11. 11.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
12. 12.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on white (d) white on black
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
14. 14.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
16. 16.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
18. 18.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
21. 21.🌗 Is black 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) yellow on white (b) light grey on white (c) red on green (d) dark grey on white
23. 23.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pink on red (d) black on white
24. 24.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
28. 28.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
29. 29.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
33. 33.True or false: “skipping heading levels” helps everyone use the page. (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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
36. 36.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) pink on red (d) black on white
37. 37.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) yellow on white (d) yellow on black
38. 38.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
39. 39.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
40. 40.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone

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