Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 414 · 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.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
2. 2.Which colour pair is easy to read? (a) red on green (b) pink on red (c) light grey on white (d) black on white
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
4. 4.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h3>
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h2>
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
8. 8.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
9. 9.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
11. 11.Which colour pair is hard to read? (a) white on black (b) black on white (c) red on green (d) yellow on black
12. 12.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
13. 13.Which colour pair is easy to read? (a) blue on purple (b) white on black (c) yellow on white (d) pink on red
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
15. 15.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
19. 19.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
20. 20.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
21. 21.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
22. 22.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
23. 23.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
24. 24.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) blue on purple (d) yellow on black
25. 25.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
26. 26.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) yellow on white (d) blue on purple
27. 27.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h2>
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
29. 29.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
30. 30.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
31. 31.True or false: “label every form box” makes the page harder to use. (a) True (b) False
32. 32.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
33. 33.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
35. 35.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) dark grey on white (d) white on black
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h4>
38. 38.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
39. 39.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No

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