Web Worksheet: Accessibility Basics

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

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