Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 500 · 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 hard to read? (a) white on dark blue (b) pink on red (c) white on black (d) yellow on black
2. 2.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
3. 3.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on white (d) white on dark blue
4. 4.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) blue on purple (d) red on green
5. 5.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
6. 6.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
7. 7.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
8. 8.Which colour pair is easy to read? (a) pink on red (b) white on black (c) blue on purple (d) red on green
9. 9.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on black (d) red on green
10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h5>
11. 11.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
13. 13.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
14. 14.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
15. 15.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
19. 19.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
21. 21.♿ 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>
22. 22.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
23. 23.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h4>
24. 24.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h2>
25. 25.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) blue on purple (d) black on white
26. 26.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
27. 27.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
28. 28.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
29. 29.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) red on green (d) light grey on white
30. 30.True or false: “label every form box” makes the page harder to use. (a) True (b) False
31. 31.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
32. 32.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
34. 34.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h3>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
36. 36.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
37. 37.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
38. 38.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) yellow on white (d) white on black
39. 39.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “images with no alt” helps everyone use the page. (a) False (b) True

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