Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 733 · 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 <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h6>
2. 2.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
3. 3.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) link (d) here
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
6. 6.Which colour pair is easy to read? (a) yellow on black (b) pink on red (c) yellow on white (d) blue on purple
7. 7.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
8. 8.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
10. 10.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h2> (d) <h3>
11. 11.Which colour pair is hard to read? (a) blue on purple (b) white on black (c) dark grey on white (d) white on dark blue
12. 12.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) light grey on white (d) pink on red
13. 13.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
16. 16.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) white on dark blue
17. 17.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
18. 18.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
19. 19.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
20. 20.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
21. 21.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
22. 22.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h3>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
24. 24.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
25. 25.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
28. 28.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h3>
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
30. 30.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
34. 34.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
35. 35.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
36. 36.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
40. 40.True or false: “label every form box” makes the page harder to use. (a) False (b) True

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