Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 529 · 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 teachers (b) only coders (c) people who are blind (d) only robots
2. 2.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h2>
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h5>
4. 4.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) blue on purple (d) red on green
5. 5.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
6. 6.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) red on green (d) light grey on white
7. 7.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h6> (d) <h5>
8. 8.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
9. 9.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
10. 10.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
11. 11.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h2>
13. 13.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
16. 16.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
17. 17.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) pink on red (d) light grey on white
18. 18.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
19. 19.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
21. 21.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) red on green (d) dark grey on white
22. 22.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
23. 23.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
25. 25.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on white (d) yellow on black
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
27. 27.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) yellow on black (d) yellow on white
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
29. 29.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
31. 31.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
33. 33.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) pink on red (d) black on white
34. 34.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
37. 37.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
39. 39.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
40. 40.True or false: “images with no alt” helps everyone use the page. (a) False (b) True

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