Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 227 · 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> → <h4> → <h5> (a) No (b) Yes
2. 2.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pink on red (d) black on white
3. 3.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
4. 4.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
5. 5.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
7. 7.Which colour pair is hard to read? (a) white on black (b) black on white (c) white on dark blue (d) light grey on white
8. 8.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
9. 9.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
10. 10.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
12. 12.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h2> (d) <h5>
13. 13.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
18. 18.♿ 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>
19. 19.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
20. 20.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
21. 21.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
22. 22.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h5> (d) <h6>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
24. 24.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
28. 28.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
29. 29.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
31. 31.Which colour pair is easy to read? (a) pink on red (b) red on green (c) light grey on white (d) white on dark blue
32. 32.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) yellow on white (d) dark grey on white
33. 33.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
36. 36.True or false: “label every form box” helps everyone use the page. (a) True (b) False
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) white on black (d) blue on purple
39. 39.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) pink on red (d) white on dark blue
40. 40.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read

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