Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 45 · 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.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h2> (d) <h1>
2. 2.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
4. 4.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
7. 7.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
9. 9.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.Which colour pair is easy to read? (a) black on white (b) blue on purple (c) red on green (d) yellow on white
11. 11.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
12. 12.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
13. 13.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
14. 14.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
15. 15.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
16. 16.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) red on green (d) dark grey on white
17. 17.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h4>
21. 21.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
22. 22.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) yellow on black (d) black on white
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
24. 24.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
26. 26.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
27. 27.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) white on black (d) black on white
28. 28.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
29. 29.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
30. 30.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
31. 31.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) pink on red (d) red on green
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
34. 34.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) white on dark blue (d) light grey on white
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
36. 36.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
37. 37.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
38. 38.True or false: “label every form box” helps everyone use the page. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) light grey on white (d) yellow on black

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