Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 687 · 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.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
2. 2.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
3. 3.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) pink on red (d) white on dark blue
4. 4.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) yellow on white (d) blue on purple
7. 7.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on black (d) yellow on white
8. 8.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on dark blue (d) dark grey on white
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
10. 10.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
12. 12.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
14. 14.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h5>
15. 15.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h1> (d) <h4>
16. 16.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
17. 17.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
18. 18.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
19. 19.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h1>
22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
23. 23.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
24. 24.Which colour pair is hard to read? (a) black on white (b) blue on purple (c) white on black (d) dark grey on white
25. 25.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h3>
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
30. 30.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
31. 31.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
33. 33.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
34. 34.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) blue on purple (d) dark grey on white
35. 35.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
37. 37.Which colour pair is easy to read? (a) black on white (b) light grey on white (c) red on green (d) blue on purple
38. 38.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
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 pink on red easy or hard to read? (a) hard to read (b) easy to read

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