Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 754 · 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: “use headings in order” makes the page harder to use. (a) True (b) False
2. 2.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) red on green
3. 3.Which colour pair is hard to read? (a) white on black (b) black on white (c) dark grey on white (d) yellow on white
4. 4.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) black on white (d) dark grey on white
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
6. 6.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
7. 7.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) yellow on black (d) red on green
8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
9. 9.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
12. 12.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
13. 13.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
14. 14.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
15. 15.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
16. 16.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
20. 20.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
24. 24.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
25. 25.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
26. 26.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h6> (d) <h1>
27. 27.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) yellow on white (d) pink on red
28. 28.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h4>
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
30. 30.Which colour pair is hard to read? (a) white on black (b) pink on red (c) white on dark blue (d) black on white
31. 31.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
33. 33.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
35. 35.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
36. 36.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
37. 37.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h3>
38. 38.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
40. 40.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read

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