Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 533 · 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.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
2. 2.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) pink on red (d) yellow on black
3. 3.True or false: “label every form box” helps everyone use the page. (a) False (b) True
4. 4.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) yellow on white (d) light grey on white
7. 7.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
8. 8.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) black on white (d) dark grey on white
9. 9.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
11. 11.True or false: “write clear link 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) makes it harder (b) helps everyone
13. 13.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
14. 14.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) white on black (d) red on green
15. 15.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) dark grey on white (d) yellow on white
16. 16.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
18. 18.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) yellow on white (d) dark grey on white
19. 19.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
20. 20.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h3>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
23. 23.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
25. 25.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
26. 26.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
27. 27.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) blue on purple (d) black on white
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
29. 29.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h3>
30. 30.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h2>
32. 32.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) yellow on black (d) blue on purple
33. 33.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
34. 34.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
36. 36.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
39. 39.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes

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