Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 231 · 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 dark blue easy or hard to read? (a) easy to read (b) hard to read
2. 2.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
3. 3.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) black on white (d) white on black
4. 4.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
6. 6.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
8. 8.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
9. 9.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
11. 11.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
12. 12.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
15. 15.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on black (d) dark grey on white
16. 16.Which colour pair is easy to read? (a) blue on purple (b) white on black (c) light grey on white (d) yellow on white
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h1>
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
19. 19.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
21. 21.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
22. 22.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
23. 23.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) black on white (d) dark grey on white
25. 25.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h6>
26. 26.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
27. 27.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
28. 28.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
29. 29.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
30. 30.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
31. 31.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
33. 33.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
34. 34.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.True or false: “label every form box” helps everyone use the page. (a) False (b) True
36. 36.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) blue on purple (d) yellow on white
37. 37.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
38. 38.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
39. 39.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) black on white (d) pink on red
40. 40.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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