Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 715 · 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: “skipping heading levels” makes the page harder to use. (a) True (b) False
2. 2.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h2>
3. 3.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h3>
5. 5.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) dark grey on white (d) white on dark blue
6. 6.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
9. 9.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
10. 10.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) dark grey on white (d) yellow on white
11. 11.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
12. 12.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) red on green (d) white on black
13. 13.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h1>
17. 17.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
19. 19.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
20. 20.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
21. 21.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) blue on purple (d) yellow on white
22. 22.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
23. 23.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
24. 24.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
25. 25.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
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
27. 27.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
28. 28.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
31. 31.True or false: “label every form box” makes the page harder to use. (a) True (b) False
32. 32.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h5>
34. 34.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
35. 35.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) pink on red (d) black on white
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
37. 37.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
38. 38.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
40. 40.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) blue on purple (d) black on white

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