Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 152 · 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 white on black easy or hard to read? (a) hard to read (b) easy to read
2. 2.True or false: “label every form box” makes the page harder to use. (a) True (b) False
3. 3.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
4. 4.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
5. 5.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) light grey on white (d) red on green
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
7. 7.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) dark grey on white (d) blue on purple
8. 8.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
10. 10.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
11. 11.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
12. 12.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) yellow on black (d) white on dark blue
13. 13.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on black (d) pink on red
14. 14.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
15. 15.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
16. 16.True or false: “label every form box” helps everyone use the page. (a) False (b) True
17. 17.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
18. 18.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
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.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h4>
21. 21.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
25. 25.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h3>
26. 26.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
28. 28.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
29. 29.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
30. 30.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
31. 31.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h4> (d) <h1>
33. 33.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
35. 35.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
36. 36.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
37. 37.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) black on white
38. 38.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
39. 39.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on white (d) black on white
40. 40.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder

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