Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 174 · 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 red on green easy or hard to read? (a) hard to read (b) easy to read
2. 2.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
4. 4.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
6. 6.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
7. 7.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h3>
8. 8.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
9. 9.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
10. 10.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
11. 11.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
12. 12.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
14. 14.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
16. 16.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on black (d) blue on purple
17. 17.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
19. 19.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
21. 21.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) white on black (d) black on white
22. 22.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
23. 23.Which colour pair is hard to read? (a) black on white (b) white on black (c) dark grey on white (d) pink on red
24. 24.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
25. 25.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
26. 26.Which colour pair is easy to read? (a) pink on red (b) white on dark blue (c) red on green (d) yellow on white
27. 27.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
29. 29.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
32. 32.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
33. 33.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
34. 34.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
36. 36.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) white on dark blue (d) black on white
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
38. 38.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on dark blue (d) light grey on white
39. 39.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) light grey on white (d) white on black
40. 40.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text

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