Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 321 · 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> → <h2> → <h4> → <h3> (a) Yes (b) No
2. 2.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
4. 4.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) blue on purple (d) pink on red
6. 6.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) white on black
7. 7.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
8. 8.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
9. 9.Which colour pair is easy to read? (a) black on white (b) blue on purple (c) red on green (d) light grey on white
10. 10.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h5>
11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
12. 12.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
14. 14.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
15. 15.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h4>
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) black on white (d) dark grey on white
19. 19.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
21. 21.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
23. 23.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
25. 25.🌗 Is yellow 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: tiny grey text? (a) helps everyone (b) makes it harder
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
28. 28.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
30. 30.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
31. 31.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
32. 32.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
34. 34.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
35. 35.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
36. 36.Which colour pair is hard to read? (a) white on black (b) black on white (c) red on green (d) white on dark blue
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
38. 38.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
39. 39.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) yellow on black (d) light grey on white
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No

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