Web Worksheet: Accessibility Basics

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

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