Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 436 · 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.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
2. 2.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
4. 4.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) black on white
5. 5.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
7. 7.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
8. 8.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
9. 9.Which colour pair is easy to read? (a) yellow on white (b) white on dark blue (c) pink on red (d) red on green
10. 10.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
11. 11.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
13. 13.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
16. 16.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) dark grey on white (d) black on white
17. 17.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
19. 19.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
21. 21.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
23. 23.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h2>
26. 26.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
27. 27.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) link (d) here
28. 28.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
29. 29.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
31. 31.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
32. 32.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
33. 33.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h4> (d) <h1>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
36. 36.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
38. 38.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h3>
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
40. 40.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h6> (d) <h1>

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