Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 278 · 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 blue on purple easy or hard to read? (a) hard to read (b) easy to read
2. 2.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
3. 3.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) white on dark blue (d) blue on purple
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
5. 5.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
7. 7.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) pink on red
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
10. 10.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h1> (d) <h2>
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h2>
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
16. 16.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
20. 20.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
24. 24.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) dark grey on white (d) light grey on white
25. 25.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
26. 26.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
28. 28.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
30. 30.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) black on white (d) white on dark blue
31. 31.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) red on green (d) pink on red
32. 32.Which colour pair is easy to read? (a) blue on purple (b) white on black (c) yellow on white (d) pink on red
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
37. 37.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
38. 38.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
39. 39.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
40. 40.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) blue on purple (d) yellow on white

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