Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 301 · 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) white on dark blue (b) light grey on white (c) yellow on white (d) red on green
2. 2.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
3. 3.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h1>
7. 7.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
9. 9.Which colour pair is easy to read? (a) blue on purple (b) yellow on black (c) pink on red (d) light grey on white
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
11. 11.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
12. 12.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
13. 13.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
14. 14.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
16. 16.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
19. 19.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
20. 20.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
21. 21.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h4>
23. 23.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) pink on red (d) dark grey on white
26. 26.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
27. 27.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
28. 28.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) dark grey on white (d) black on white
29. 29.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
30. 30.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) light grey on white
32. 32.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
33. 33.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
34. 34.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) black on white (d) pink on red
35. 35.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
36. 36.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h3>
37. 37.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
38. 38.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
39. 39.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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