Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 238 · 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 hard to read? (a) white on dark blue (b) black on white (c) pink on red (d) white on black
2. 2.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
4. 4.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h3>
7. 7.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
9. 9.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
10. 10.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) white on dark blue (d) red on green
11. 11.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
12. 12.True or false: “label every form box” helps everyone use the page. (a) True (b) False
13. 13.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
16. 16.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) red on green (d) dark grey on white
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h5>
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
19. 19.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
21. 21.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
23. 23.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) white on black (d) yellow on white
24. 24.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) pink on red (d) white on dark blue
25. 25.Which colour pair is easy to read? (a) red on green (b) pink on red (c) yellow on black (d) light grey on white
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
27. 27.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
28. 28.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
31. 31.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
32. 32.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
33. 33.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
34. 34.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
36. 36.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h6>
38. 38.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) white on dark blue (d) dark grey on white
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
40. 40.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) dark grey on white (d) yellow on white

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