Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 968 · 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) Yes (b) No
2. 2.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
3. 3.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) blue on purple (d) red on green
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
5. 5.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
6. 6.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
7. 7.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) text stands out clearly (d) many bright colours
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
9. 9.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
10. 10.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
12. 12.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
14. 14.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
16. 16.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
17. 17.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
19. 19.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
21. 21.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
22. 22.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h3>
23. 23.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h3>
24. 24.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
27. 27.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) white on dark blue (d) blue on purple
28. 28.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
31. 31.True or false: “label every form box” helps everyone use the page. (a) False (b) True
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
33. 33.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h2>
34. 34.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
35. 35.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) black on white
36. 36.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
38. 38.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
39. 39.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
40. 40.Which colour pair is hard to read? (a) dark grey on white (b) blue on purple (c) black on white (d) yellow on black

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