Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 845 · 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) only teachers (c) people who are blind (d) only robots
2. 2.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h3>
3. 3.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) yellow on white (d) red on green
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) light grey on white
7. 7.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
8. 8.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
9. 9.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
11. 11.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) white on dark blue (d) yellow on black
12. 12.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h2>
13. 13.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h3> (d) <h4>
15. 15.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h1> (d) <h3>
16. 16.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
19. 19.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
20. 20.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
21. 21.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) dark grey on white (d) red on green
22. 22.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
23. 23.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
24. 24.Which colour pair is easy to read? (a) pink on red (b) dark grey on white (c) yellow on white (d) light grey on white
25. 25.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h1> (d) <h2>
27. 27.True or false: “colour as the only clue” 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.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
31. 31.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
34. 34.True or false: “label every form box” makes the page harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
36. 36.True or false: “label every form box” helps everyone use the page. (a) False (b) True
37. 37.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
40. 40.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone

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