Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 387 · 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 this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
2. 2.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) black on white
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: “skipping heading levels” makes the page harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
6. 6.Which colour pair is easy to read? (a) pink on red (b) red on green (c) yellow on black (d) light grey on white
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
8. 8.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
9. 9.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
11. 11.Which colour pair is hard to read? (a) black on white (b) white on black (c) white on dark blue (d) blue on purple
12. 12.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
13. 13.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
14. 14.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
16. 16.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
17. 17.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on dark blue (d) yellow on white
18. 18.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
19. 19.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
20. 20.Which colour pair is hard to read? (a) white on black (b) red on green (c) dark grey on white (d) white on dark blue
21. 21.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
22. 22.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
27. 27.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
28. 28.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) dark grey on white (d) light grey on white
29. 29.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
30. 30.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h6>
33. 33.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) white on black (d) yellow on black
34. 34.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
35. 35.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) pink on red (d) white on black
36. 36.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) pink on red (d) white on black
37. 37.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
38. 38.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) black on white (d) dark grey on white
39. 39.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
40. 40.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours

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