Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 864 · 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 robots (c) people who are blind (d) only coders
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
3. 3.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) red on green (d) pink on red
4. 4.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
6. 6.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
7. 7.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
9. 9.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
10. 10.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h3> (d) <h4>
13. 13.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h6> (d) <h1>
14. 14.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
16. 16.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
17. 17.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h6>
18. 18.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
19. 19.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
20. 20.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
21. 21.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
22. 22.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
23. 23.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) pink on red (d) red on green
24. 24.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
27. 27.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
28. 28.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) yellow on white (d) white on dark blue
29. 29.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) light grey on white (d) black on white
30. 30.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h2>
32. 32.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
34. 34.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) white on black (d) light grey on white
35. 35.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) black on white (d) dark grey on white
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
38. 38.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) blue on purple (d) white on dark blue
39. 39.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes

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