Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 768 · 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) easy to read (b) hard to read
2. 2.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
3. 3.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
4. 4.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
6. 6.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
7. 7.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
8. 8.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
9. 9.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h2> (d) <h4>
10. 10.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
13. 13.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) dark grey on white (d) red on green
14. 14.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
15. 15.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
17. 17.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
18. 18.Which colour pair is hard to read? (a) white on dark blue (b) blue on purple (c) black on white (d) white on black
19. 19.True or false: “label every form box” makes the page harder to use. (a) True (b) False
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 <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h3>
22. 22.Which colour pair is hard to read? (a) red on green (b) white on black (c) yellow on black (d) dark grey on white
23. 23.Which colour pair is easy to read? (a) white on dark blue (b) light grey on white (c) yellow on white (d) pink on red
24. 24.♿ 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>
25. 25.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
26. 26.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
27. 27.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
30. 30.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h3> (d) <h6>
31. 31.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
33. 33.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) light grey on white (d) blue on purple
34. 34.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) black on white (d) dark grey on white
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
36. 36.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h2>
38. 38.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
39. 39.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No

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