Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 579 · 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 black on white easy or hard to read? (a) hard to read (b) easy to read
2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
3. 3.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
5. 5.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) white on black (d) blue on purple
6. 6.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) white on dark blue (d) dark grey on white
7. 7.True or false: “label every form box” makes the page harder to use. (a) True (b) False
8. 8.Which colour pair is hard to read? (a) black on white (b) pink on red (c) yellow on black (d) white on black
9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
10. 10.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
11. 11.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
12. 12.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
13. 13.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h6>
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
17. 17.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h1>
18. 18.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
19. 19.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
21. 21.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) yellow on white (d) white on black
22. 22.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
23. 23.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is hard to read? (a) black on white (b) red on green (c) yellow on black (d) white on black
25. 25.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
26. 26.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
27. 27.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) light grey on white (d) black on white
28. 28.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
30. 30.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
36. 36.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) dark grey on white (d) black on white
38. 38.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
39. 39.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) light grey on white (d) blue on purple
40. 40.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True

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