Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 863 · 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) blue on purple (b) white on black (c) yellow on white (d) pink on red
2. 2.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) light grey on white (d) blue on purple
3. 3.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
5. 5.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h2>
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h2>
7. 7.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
9. 9.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
10. 10.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only coders (d) only robots
12. 12.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
14. 14.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) red on green (d) dark grey on white
15. 15.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) red on green (d) blue on purple
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h6>
17. 17.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
18. 18.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
19. 19.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) white on dark blue
20. 20.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
21. 21.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
23. 23.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h5>
24. 24.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) black on white (d) white on dark blue
25. 25.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
26. 26.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
27. 27.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
28. 28.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
29. 29.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
31. 31.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
32. 32.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) white on black (d) yellow on white
33. 33.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
35. 35.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) blue on purple (d) yellow on black
36. 36.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
38. 38.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
40. 40.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) white on black (d) yellow on black

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