Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 797 · 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) black on white (b) white on dark blue (c) yellow on black (d) yellow on white
2. 2.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) white on dark blue (d) blue on purple
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
8. 8.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h2> (d) <h5>
9. 9.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
10. 10.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
12. 12.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
13. 13.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
16. 16.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
17. 17.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
19. 19.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) white on black (d) white on dark blue
20. 20.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h4>
21. 21.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
22. 22.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) dark grey on white (d) white on dark blue
23. 23.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h4>
24. 24.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) light grey on white (d) black on white
25. 25.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
26. 26.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
27. 27.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
28. 28.True or false: “label every form box” makes the page harder to use. (a) True (b) False
29. 29.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) red on green
30. 30.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
31. 31.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
33. 33.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) red on green (d) dark grey on white
34. 34.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) light grey on white (d) black on white
35. 35.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
36. 36.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
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.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
39. 39.Which colour pair is easy to read? (a) pink on red (b) yellow on black (c) blue on purple (d) red on green
40. 40.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False

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