Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 466 · 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: “label every form box” helps everyone use the page. (a) False (b) True
2. 2.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
3. 3.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) yellow on black (d) red on green
4. 4.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) black on white (d) white on dark blue
5. 5.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
7. 7.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
8. 8.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
9. 9.Which colour pair is hard to read? (a) blue on purple (b) white on black (c) black on white (d) white on dark blue
10. 10.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
11. 11.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) yellow on black
12. 12.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
15. 15.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
17. 17.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
18. 18.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
19. 19.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) black on white (d) pink on red
20. 20.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) light grey on white (d) red on green
21. 21.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
22. 22.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h3>
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h4>
25. 25.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
26. 26.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
27. 27.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
28. 28.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) pink on red (d) red on green
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) white on black (d) white on dark blue
32. 32.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
33. 33.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
34. 34.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
35. 35.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
36. 36.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
37. 37.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
38. 38.Which colour pair is easy to read? (a) white on black (b) red on green (c) light grey on white (d) blue on purple
39. 39.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h5>
40. 40.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read

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