Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 331 · 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.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
2. 2.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
3. 3.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
4. 4.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
5. 5.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
7. 7.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
8. 8.Which colour pair is hard to read? (a) white on black (b) red on green (c) dark grey on white (d) yellow on black
9. 9.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
12. 12.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
13. 13.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
15. 15.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
16. 16.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) white on black
17. 17.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
18. 18.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) blue on purple (d) yellow on black
19. 19.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
20. 20.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
21. 21.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard 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) <h3> (d) <h6>
23. 23.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
28. 28.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) pink on red (d) black on white
29. 29.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h3>
30. 30.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) white on dark blue (d) white on black
32. 32.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h4>
33. 33.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
34. 34.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h2>
35. 35.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
36. 36.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
37. 37.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) dark grey on white (d) yellow on black
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No

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