Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 218 · 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 this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
2. 2.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
4. 4.Which colour pair is easy to read? (a) white on black (b) red on green (c) light grey on white (d) blue on purple
5. 5.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) light grey on white (d) pink on red
6. 6.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
7. 7.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
8. 8.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
9. 9.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
10. 10.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h6> (d) <h1>
12. 12.True or false: “label every form box” makes the page harder to use. (a) True (b) False
13. 13.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) yellow on white (d) yellow on black
15. 15.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
16. 16.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
17. 17.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
18. 18.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) black on white (d) light grey on white
19. 19.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
20. 20.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) white on dark blue (d) dark grey on white
21. 21.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
23. 23.True or false: “label every form box” helps everyone use the page. (a) False (b) True
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h4> (d) <h2>
25. 25.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
28. 28.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
29. 29.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
31. 31.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
32. 32.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) black on white (d) red on green
33. 33.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
34. 34.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) dark grey on white (d) blue on purple
35. 35.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) here (d) link
36. 36.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
37. 37.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
38. 38.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h2>
40. 40.True or false: “use headings in order” makes the page harder to use. (a) True (b) False

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