Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 540 · 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.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h5>
2. 2.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h5>
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
4. 4.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
8. 8.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
9. 9.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on black (d) yellow on white
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
11. 11.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h3>
12. 12.Which colour pair is easy to read? (a) pink on red (b) red on green (c) light grey on white (d) white on dark blue
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
14. 14.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h3>
15. 15.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on black (d) pink on red
16. 16.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only teachers (d) only robots
17. 17.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
18. 18.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
19. 19.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
20. 20.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on black (d) pink on red
21. 21.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) white on dark blue (d) black on white
23. 23.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
24. 24.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
25. 25.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) pink on red (d) red on green
26. 26.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
27. 27.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
28. 28.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
29. 29.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
30. 30.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) yellow on white (d) pink on red
31. 31.True or false: “label every form box” makes the page harder to use. (a) False (b) True
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h6>
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
34. 34.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
36. 36.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
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.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
39. 39.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No

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