Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 829 · 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.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) blue on purple (d) black on white
2. 2.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) white on dark blue (d) blue on purple
3. 3.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
4. 4.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h3> (d) <h1>
6. 6.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
7. 7.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
9. 9.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
10. 10.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) yellow on black (d) light grey on white
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
12. 12.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
13. 13.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
14. 14.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
15. 15.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h1>
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
17. 17.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h6> (d) <h3>
19. 19.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
21. 21.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
22. 22.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
25. 25.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
26. 26.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
27. 27.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
28. 28.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
30. 30.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
31. 31.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
33. 33.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
34. 34.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
35. 35.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
36. 36.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
37. 37.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
38. 38.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
40. 40.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h1>

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