Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 265 · 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.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
3. 3.Which colour pair is easy to read? (a) white on dark blue (b) red on green (c) yellow on white (d) pink on red
4. 4.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) white on black (d) yellow on white
5. 5.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
6. 6.Which colour pair is hard to read? (a) white on black (b) red on green (c) white on dark blue (d) black on white
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
8. 8.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h2>
9. 9.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h2>
10. 10.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
11. 11.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
14. 14.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
15. 15.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
17. 17.Which colour pair is hard to read? (a) pink on red (b) white on black (c) white on dark blue (d) black on white
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
20. 20.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
21. 21.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) black on white
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h1>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
24. 24.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
25. 25.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h6>
26. 26.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
27. 27.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) light grey on white (d) dark grey on white
29. 29.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
32. 32.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.True or false: “label every form box” makes the page harder to use. (a) False (b) True
34. 34.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
35. 35.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
36. 36.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
37. 37.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
38. 38.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
39. 39.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
40. 40.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) dark grey on white (d) blue on purple

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