Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 802 · 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: “colour as the only clue” makes the page harder to use. (a) False (b) True
2. 2.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
3. 3.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
5. 5.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) here (d) link
6. 6.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
7. 7.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
8. 8.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
10. 10.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) light grey on white (d) white on black
12. 12.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) pink on red (d) red on green
13. 13.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
14. 14.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) blue on purple (d) white on dark blue
15. 15.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) yellow on black (d) red on green
16. 16.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
17. 17.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
18. 18.🌗 Is dark grey on white 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> → <h4> → <h3> (a) Yes (b) No
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
23. 23.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) blue on purple (d) black on white
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
25. 25.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
27. 27.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h1> (d) <h2>
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.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) black on white (d) blue on purple
30. 30.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
31. 31.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
33. 33.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) pink on red (d) yellow on black
34. 34.True or false: “label every form box” helps everyone use the page. (a) False (b) True
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h3>
36. 36.True or false: “label every form box” makes the page harder to use. (a) True (b) False
37. 37.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
39. 39.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
40. 40.True or false: “use headings in order” makes the page harder to use. (a) False (b) True

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