Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 245 · 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) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
2. 2.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
3. 3.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only teachers (d) only coders
4. 4.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h3>
5. 5.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h2> (d) <h4>
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
8. 8.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
10. 10.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
11. 11.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
13. 13.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
14. 14.Which colour pair is hard to read? (a) black on white (b) red on green (c) dark grey on white (d) yellow on black
15. 15.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
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) False (b) True
18. 18.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
20. 20.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
21. 21.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) light grey on white (d) dark grey on white
23. 23.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
24. 24.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
26. 26.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
27. 27.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
28. 28.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
30. 30.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) pink on red (d) black on white
31. 31.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) dark grey on white
32. 32.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
33. 33.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
35. 35.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
36. 36.Which colour pair is hard to read? (a) blue on purple (b) dark grey on white (c) white on dark blue (d) black on white
37. 37.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
39. 39.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h1> (d) <h5>
40. 40.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h6>

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