Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 286 · 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) pink on red (b) yellow on black (c) blue on purple (d) red on green
2. 2.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
3. 3.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
4. 4.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
5. 5.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) light grey on white (d) white on dark blue
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) pink on red (d) white on black
9. 9.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) light grey on white (d) black on white
10. 10.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h3>
13. 13.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
15. 15.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h2>
17. 17.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) blue on purple
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.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
20. 20.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
21. 21.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
22. 22.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) red on green (d) yellow on white
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
24. 24.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
26. 26.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
27. 27.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
28. 28.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
29. 29.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
30. 30.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) dark grey on white (d) white on black
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
32. 32.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
33. 33.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
34. 34.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
35. 35.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
36. 36.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h1>
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
38. 38.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
40. 40.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) red on green (d) yellow on white

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