Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 304 · 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: “images with no alt” makes the page harder to use. (a) False (b) True
2. 2.True or false: “label every form box” helps everyone use the page. (a) True (b) False
3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
4. 4.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark grey on white (d) red on green
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
6. 6.True or false: “label every form box” makes the page harder to use. (a) False (b) True
7. 7.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
8. 8.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h5> (d) <h3>
10. 10.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
12. 12.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h5>
14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
16. 16.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
17. 17.Which colour pair is easy to read? (a) yellow on white (b) white on dark blue (c) light grey on white (d) pink on red
18. 18.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
20. 20.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
23. 23.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h6> (d) <h2>
25. 25.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
27. 27.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
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.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
30. 30.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) black on white (d) yellow on black
32. 32.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
33. 33.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
34. 34.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
37. 37.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) black on white (d) white on dark blue
38. 38.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
39. 39.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) red on green (d) white on black
40. 40.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False

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