Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 489 · 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) hard to read (b) easy to read
2. 2.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h1>
7. 7.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) black on white (d) red on green
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
9. 9.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
10. 10.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
11. 11.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h6>
13. 13.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
15. 15.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) yellow on black (d) black on white
16. 16.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
19. 19.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) yellow on black (d) pink on red
20. 20.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
22. 22.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
24. 24.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h5>
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h4>
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
27. 27.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
28. 28.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
30. 30.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
31. 31.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) red on green (d) yellow on black
32. 32.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
33. 33.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
36. 36.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
37. 37.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
39. 39.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
40. 40.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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