Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 550 · 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: “label every form box” makes the page harder to use. (a) False (b) True
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
3. 3.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
4. 4.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
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.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h6>
10. 10.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
12. 12.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
13. 13.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
14. 14.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
15. 15.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
17. 17.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
18. 18.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
19. 19.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) red on green (d) yellow on black
21. 21.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h2>
23. 23.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) yellow on white
25. 25.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
27. 27.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
28. 28.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h3> (d) <h4>
29. 29.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
30. 30.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) blue on purple (d) yellow on white
31. 31.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h5>
33. 33.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
34. 34.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
35. 35.Which colour pair is hard to read? (a) white on dark blue (b) blue on purple (c) dark grey on white (d) yellow on black
36. 36.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
40. 40.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False

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