Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 450 · 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 red on green easy or hard to read? (a) hard to read (b) easy to read
2. 2.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h6>
3. 3.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h3>
4. 4.True or false: “label every form box” helps everyone use the page. (a) False (b) True
5. 5.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
7. 7.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is easy to read? (a) red on green (b) dark grey on white (c) light grey on white (d) pink on red
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
10. 10.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
11. 11.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
13. 13.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
15. 15.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.Which colour pair is easy to read? (a) red on green (b) white on black (c) light grey on white (d) pink on red
17. 17.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
18. 18.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
19. 19.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
20. 20.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) blue on purple (d) yellow on white
21. 21.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
24. 24.Which colour pair is hard to read? (a) white on dark blue (b) pink on red (c) black on white (d) dark grey on white
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
26. 26.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
27. 27.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
28. 28.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
32. 32.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
33. 33.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h4>
35. 35.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
36. 36.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
37. 37.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
38. 38.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
39. 39.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) white on black (d) yellow on black
40. 40.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on dark blue (d) yellow on white

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