Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 78 · 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.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
2. 2.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
3. 3.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
5. 5.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h5>
6. 6.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
7. 7.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
9. 9.Which colour pair is hard to read? (a) black on white (b) white on black (c) dark grey on white (d) yellow on white
10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h1>
11. 11.Which colour pair is hard to read? (a) white on black (b) black on white (c) dark grey on white (d) pink on red
12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h3>
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
14. 14.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) blue on purple (d) dark grey on white
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
16. 16.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
17. 17.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) text stands out clearly (d) many bright colours
20. 20.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) white on dark blue (d) black on white
21. 21.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) yellow on white (d) white on dark blue
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
24. 24.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
26. 26.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
27. 27.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
28. 28.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
30. 30.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
31. 31.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
32. 32.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
33. 33.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
34. 34.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) blue on purple
35. 35.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
36. 36.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) pink on red (d) yellow on white
37. 37.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
38. 38.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h3> (d) <h2>
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
40. 40.True or false: “use headings in order” makes the page harder to use. (a) True (b) False

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