Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 748 · 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 <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h5> (d) <h3>
2. 2.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) red on green (d) yellow on black
3. 3.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
4. 4.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
5. 5.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
6. 6.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h3>
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
11. 11.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
12. 12.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) blue on purple (d) white on dark blue
13. 13.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
15. 15.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) blue on purple (d) red on green
17. 17.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h1>
18. 18.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
19. 19.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
20. 20.Which colour pair is easy to read? (a) black on white (b) red on green (c) yellow on white (d) pink on red
21. 21.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) light grey on white (d) red on green
22. 22.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
24. 24.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
25. 25.True or false: “label every form box” helps everyone use the page. (a) True (b) False
26. 26.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
27. 27.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
28. 28.Which colour pair is hard to read? (a) pink on red (b) white on black (c) dark grey on white (d) black on white
29. 29.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
30. 30.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) black on white (d) yellow on black
31. 31.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
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 hard to read? (a) dark grey on white (b) light grey on white (c) white on dark blue (d) black on white
36. 36.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
37. 37.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
38. 38.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h5>
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No

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