Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 525 · 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.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
2. 2.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
4. 4.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) black on white (d) dark grey on white
5. 5.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
6. 6.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) yellow on white (d) blue on purple
7. 7.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
8. 8.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
10. 10.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
12. 12.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
13. 13.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
14. 14.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
15. 15.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
16. 16.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) dark grey on white (d) yellow on black
17. 17.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
18. 18.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) black on white (d) white on dark blue
19. 19.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
20. 20.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) yellow on black (d) pink on red
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
22. 22.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
23. 23.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
24. 24.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h4>
27. 27.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) black on white (d) yellow on white
28. 28.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h5>
29. 29.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h5>
30. 30.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
31. 31.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
32. 32.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
33. 33.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) red on green (d) white on black
34. 34.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
35. 35.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) black on white (d) dark grey on white
36. 36.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
38. 38.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
39. 39.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
40. 40.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h1> (d) <h5>

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