Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 138 · 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) white on dark blue (c) blue on purple (d) black on white
2. 2.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
3. 3.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
5. 5.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
6. 6.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
9. 9.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h6>
11. 11.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h1>
12. 12.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
13. 13.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
16. 16.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) white on dark blue (d) white on black
17. 17.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
20. 20.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h5>
21. 21.Which colour pair is hard to read? (a) white on black (b) red on green (c) black on white (d) dark grey on white
22. 22.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) light grey on white (d) red on green
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
24. 24.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) light grey on white (d) pink on red
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h6>
26. 26.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
27. 27.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
29. 29.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) pink on red (d) red on green
30. 30.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
31. 31.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
33. 33.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
35. 35.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
36. 36.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
37. 37.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) light grey on white (d) black on white
39. 39.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes

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