Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 973 · 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.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) blue on purple (d) light grey on white
2. 2.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only teachers (d) only robots
5. 5.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
7. 7.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
8. 8.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h5>
9. 9.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
11. 11.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
12. 12.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on dark blue (d) yellow on white
13. 13.Which colour pair is hard to read? (a) black on white (b) white on black (c) red on green (d) dark grey on white
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
15. 15.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
16. 16.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
18. 18.Which colour pair is hard to read? (a) white on black (b) pink on red (c) black on white (d) white on dark blue
19. 19.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
20. 20.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
21. 21.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) red on green (d) dark grey on white
22. 22.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
25. 25.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
26. 26.Which colour pair is easy to read? (a) red on green (b) pink on red (c) white on black (d) blue on purple
27. 27.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h4>
28. 28.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
30. 30.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
31. 31.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
32. 32.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
33. 33.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h6> (d) <h5>
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: add alt text to images? (a) makes it harder (b) helps everyone
36. 36.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
38. 38.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
39. 39.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) black on white
40. 40.True or false: “use headings in order” makes the page harder to use. (a) True (b) False

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