Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 437 · 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 white on black easy or hard to read? (a) hard to read (b) easy to read
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
4. 4.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
6. 6.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on black (d) pink on red
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
8. 8.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
9. 9.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
11. 11.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) blue on purple (d) white on dark blue
12. 12.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
13. 13.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
14. 14.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h1> (d) <h2>
15. 15.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
16. 16.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
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.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on white (d) yellow on black
19. 19.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h4>
21. 21.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) red on green
22. 22.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
23. 23.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
24. 24.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) red on green (d) blue on purple
26. 26.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h4>
27. 27.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h3> (d) <h1>
28. 28.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
30. 30.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
31. 31.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
32. 32.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
33. 33.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
34. 34.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) blue on purple
35. 35.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h1>
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) light grey on white (d) black on white
39. 39.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No

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