Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 660 · 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.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
2. 2.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
5. 5.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) red on green
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
7. 7.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) white on black
9. 9.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
10. 10.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h1>
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
12. 12.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
13. 13.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
14. 14.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) light grey on white (d) blue on purple
15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
16. 16.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
17. 17.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
21. 21.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) black on white (d) blue on purple
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
23. 23.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) black on white (d) yellow on white
24. 24.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
25. 25.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
26. 26.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
27. 27.True or false: “use big enough text” 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) makes it harder (b) helps everyone
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
32. 32.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h2>
34. 34.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h6> (d) <h4>
36. 36.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
37. 37.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h2>
38. 38.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h3>
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
40. 40.True or false: “label every form box” helps everyone use the page. (a) False (b) True

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