Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 618 · 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.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
2. 2.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
3. 3.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) yellow on white (d) yellow on black
4. 4.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) white on dark blue (d) light grey on white
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
6. 6.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
8. 8.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h6>
11. 11.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h1>
13. 13.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
14. 14.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
16. 16.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) white on dark blue (d) yellow on white
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h2>
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
19. 19.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
20. 20.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
21. 21.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
23. 23.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) black on white (d) yellow on black
24. 24.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
26. 26.🌗 Is black on white 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: add alt text to images? (a) helps everyone (b) makes it harder
28. 28.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
29. 29.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.Which colour pair is easy to read? (a) red on green (b) white on black (c) light grey on white (d) yellow on white
31. 31.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) red on green (d) yellow on black
32. 32.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) blue on purple (d) dark grey on white
33. 33.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
34. 34.Which colour pair is easy to read? (a) blue on purple (b) dark grey on white (c) red on green (d) light grey on white
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
36. 36.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
40. 40.True or false: “images with no alt” helps everyone use the page. (a) False (b) True

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