Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 126 · 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) easy to read (b) hard to read
2. 2.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
3. 3.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
4. 4.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) yellow on white (d) red on green
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
8. 8.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
12. 12.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
13. 13.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
14. 14.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
15. 15.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
16. 16.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
18. 18.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) light grey on white (d) yellow on black
19. 19.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h6> (d) <h3>
20. 20.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
21. 21.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h2>
22. 22.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
23. 23.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
24. 24.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
27. 27.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
30. 30.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only coders (d) only robots
31. 31.True or false: “label every form box” makes the page harder to use. (a) True (b) False
32. 32.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
33. 33.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) pink on red (d) white on black
34. 34.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
36. 36.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h6>
37. 37.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on dark blue (d) blue on purple
38. 38.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) yellow on white (d) blue on purple
39. 39.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
40. 40.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) pink on red (d) dark grey on white

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