Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 97 · 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.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
2. 2.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h4>
3. 3.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) light grey on white
4. 4.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h6>
5. 5.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) pink on red (d) yellow on white
6. 6.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
7. 7.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
9. 9.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) dark grey on white (d) red on green
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
12. 12.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
14. 14.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
15. 15.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h5>
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) yellow on white (d) blue on purple
18. 18.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) pink on red (d) yellow on white
19. 19.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
20. 20.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
21. 21.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) dark grey on white (d) white on dark blue
22. 22.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
24. 24.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
25. 25.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
26. 26.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
27. 27.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h2>
28. 28.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
29. 29.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
30. 30.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
32. 32.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
34. 34.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) blue on purple (d) yellow on white
35. 35.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
38. 38.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) red on green (d) yellow on white
39. 39.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
40. 40.True or false: “use big enough text” makes the page harder to use. (a) False (b) True

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