Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 221 · 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> → <h2> → <h2> → <h4> (a) Yes (b) No
2. 2.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
4. 4.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) red on green (d) blue on purple
5. 5.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
6. 6.Which colour pair is hard to read? (a) yellow on black (b) red on green (c) white on dark blue (d) dark grey on white
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
8. 8.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
9. 9.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
10. 10.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
13. 13.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
14. 14.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
15. 15.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) white on dark blue
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h1>
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
19. 19.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) dark grey on white (d) pink on red
20. 20.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) yellow on white
21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
23. 23.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) yellow on white (d) blue on purple
24. 24.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) white on dark blue (d) blue on purple
26. 26.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
27. 27.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h3> (d) <h2>
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
31. 31.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
33. 33.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
35. 35.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on black (d) light grey on white
36. 36.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pink on red (d) white on black
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
39. 39.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
40. 40.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read

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