Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 631 · 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.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
2. 2.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
3. 3.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) dark grey on white (d) white on dark blue
4. 4.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h1>
5. 5.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
7. 7.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) red on green (d) white on dark blue
8. 8.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h1>
10. 10.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
11. 11.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
13. 13.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
14. 14.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
15. 15.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) dark grey on white (d) red on green
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
17. 17.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
18. 18.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
20. 20.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
22. 22.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
23. 23.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
25. 25.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
26. 26.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
27. 27.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) light grey on white (d) white on dark blue
28. 28.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) blue on purple (d) pink on red
29. 29.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
31. 31.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
33. 33.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h4>
34. 34.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is easy to read? (a) red on green (b) black on white (c) pink on red (d) light grey on white
36. 36.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
37. 37.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
40. 40.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) black on white (d) dark grey on white

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