Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 283 · 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 easy to read? (a) blue on purple (b) white on dark blue (c) pink on red (d) red on green
2. 2.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
5. 5.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h1>
6. 6.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
8. 8.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
12. 12.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) blue on purple (d) yellow on black
13. 13.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
14. 14.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) white on black (d) light grey on white
15. 15.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
18. 18.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
21. 21.Which colour pair is hard to read? (a) white on black (b) pink on red (c) white on dark blue (d) black on white
22. 22.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
24. 24.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
26. 26.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h5> (d) <h2>
27. 27.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
28. 28.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
29. 29.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
30. 30.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
31. 31.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
32. 32.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
33. 33.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) red on green (d) white on dark blue
34. 34.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
36. 36.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
37. 37.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
38. 38.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
40. 40.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) black on white (d) yellow on white

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