Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 121 · 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.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) dark grey on white (d) white on black
2. 2.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
3. 3.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
4. 4.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) white on dark blue (d) pink on red
5. 5.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) yellow on white (d) red on green
6. 6.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
7. 7.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
8. 8.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
10. 10.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
12. 12.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
13. 13.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
14. 14.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
15. 15.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
17. 17.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.True or false: “label every form box” makes the page harder to use. (a) True (b) False
19. 19.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
20. 20.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) light grey on white (d) dark grey on white
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
22. 22.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) blue on purple (d) white on dark blue
23. 23.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pink on red (d) black on white
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h3>
25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
26. 26.True or false: “label every form box” helps everyone use the page. (a) False (b) True
27. 27.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
28. 28.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
30. 30.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
31. 31.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
32. 32.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) white on black (d) blue on purple
33. 33.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
34. 34.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) dark grey on white (d) red on green
35. 35.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h2>
36. 36.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on white (d) white on dark blue
37. 37.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
38. 38.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
39. 39.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No

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