Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 217 · 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> → <h3> → <h4> → <h5> (a) No (b) Yes
2. 2.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
3. 3.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
4. 4.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
5. 5.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
6. 6.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
7. 7.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) light grey on white (d) red on green
8. 8.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
9. 9.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
10. 10.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
11. 11.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) light grey on white (d) pink on red
12. 12.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) blue on purple (d) red on green
13. 13.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) dark grey on white (d) black on white
14. 14.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) black on white (d) dark grey on white
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h3>
17. 17.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
18. 18.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
20. 20.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
21. 21.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) dark grey on white (d) red on green
22. 22.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h2>
23. 23.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
24. 24.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
27. 27.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) red on green (d) blue on purple
28. 28.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
29. 29.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
31. 31.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) pink on red (d) yellow on white
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
33. 33.True or false: “label every form box” makes the page harder to use. (a) False (b) True
34. 34.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
35. 35.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
36. 36.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
37. 37.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
38. 38.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
39. 39.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
40. 40.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h6> (d) <h1>

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