Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 360 · 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> → <h4> (a) Yes (b) No
2. 2.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
3. 3.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
4. 4.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) light grey on white (d) pink on red
5. 5.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h6>
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
9. 9.Which colour pair is hard to read? (a) white on black (b) black on white (c) dark grey on white (d) light grey on white
10. 10.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
12. 12.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h3>
14. 14.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
17. 17.True or false: “label every form box” makes the page harder to use. (a) True (b) False
18. 18.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
20. 20.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
22. 22.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) yellow on black
23. 23.Which colour pair is hard to read? (a) white on dark blue (b) pink on red (c) black on white (d) white on black
24. 24.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
26. 26.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h1>
27. 27.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
28. 28.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
29. 29.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) dark grey on white (d) pink on red
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
32. 32.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
34. 34.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
35. 35.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
37. 37.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h5>
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
39. 39.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) yellow on white (d) yellow on black
40. 40.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here

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