Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 919 · 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 this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
2. 2.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) light grey on white (d) white on dark blue
3. 3.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
5. 5.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
6. 6.♿ 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>
7. 7.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
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.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h2> (d) <h4>
12. 12.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
14. 14.Which colour pair is easy to read? (a) red on green (b) dark grey on white (c) light grey on white (d) blue on purple
15. 15.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) yellow on black (d) yellow on white
16. 16.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
18. 18.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
20. 20.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on white (d) yellow on black
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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
23. 23.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
24. 24.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) yellow on white (d) light grey on white
25. 25.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
26. 26.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
27. 27.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
30. 30.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
31. 31.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
32. 32.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) yellow on white (d) black on white
33. 33.Which colour pair is hard to read? (a) red on green (b) white on black (c) white on dark blue (d) black on white
34. 34.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) white on dark blue (d) blue on purple
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
37. 37.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) light grey on white (d) blue on purple
38. 38.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h5>
39. 39.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
40. 40.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read

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