Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 482 · 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.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
2. 2.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
3. 3.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
4. 4.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) red on green (d) light grey on white
5. 5.Which colour pair is easy to read? (a) pink on red (b) black on white (c) red on green (d) yellow on white
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
7. 7.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h2>
9. 9.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
10. 10.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
12. 12.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
14. 14.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
15. 15.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
17. 17.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
19. 19.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on black (d) pink on red
20. 20.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
22. 22.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) blue on purple (d) white on dark blue
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
24. 24.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h5> (d) <h4>
25. 25.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
27. 27.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
29. 29.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h2>
32. 32.True or false: “skipping heading levels” 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.True or false: “label every form box” makes the page harder to use. (a) False (b) True
35. 35.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
37. 37.Which colour pair is hard to read? (a) pink on red (b) dark grey on white (c) black on white (d) white on dark blue
38. 38.Which colour pair is hard to read? (a) red on green (b) black on white (c) white on black (d) dark grey on white
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
40. 40.True or false: “images with no alt” helps everyone use the page. (a) True (b) False

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