Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 743 · 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.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) blue on purple (d) white on black
2. 2.Which colour pair is easy to read? (a) red on green (b) pink on red (c) blue on purple (d) dark grey on white
3. 3.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
4. 4.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
6. 6.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
9. 9.♿ 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>
10. 10.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) yellow on black (d) dark grey on white
11. 11.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
12. 12.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
13. 13.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
14. 14.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
15. 15.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
16. 16.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
17. 17.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h4> (d) <h3>
18. 18.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
19. 19.Which colour pair is hard to read? (a) yellow on black (b) red on green (c) white on black (d) dark grey on white
20. 20.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h5>
22. 22.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
24. 24.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
26. 26.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) yellow on white (d) pink on red
27. 27.True or false: “use headings in order” makes the page harder to use. (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.True or false: “label every form box” helps everyone use the page. (a) False (b) True
30. 30.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h2>
31. 31.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
32. 32.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
33. 33.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) pink on red (d) red on green
34. 34.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
36. 36.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) pink on red (d) yellow on white
37. 37.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h1>
38. 38.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) white on black (d) red on green

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