Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 50 · 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) yellow on white (b) black on white (c) blue on purple (d) light grey on white
2. 2.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
3. 3.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
4. 4.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
5. 5.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h4>
6. 6.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
7. 7.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) pink on red (d) white on dark blue
9. 9.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
10. 10.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
13. 13.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) red on green (d) dark grey on white
14. 14.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
15. 15.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
16. 16.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
17. 17.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h6>
19. 19.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
20. 20.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
21. 21.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
22. 22.🌗 Is white on black 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: write clear link text? (a) helps everyone (b) makes it harder
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
25. 25.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
26. 26.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
29. 29.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
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) yellow on black (b) white on black (c) white on dark blue (d) yellow on white
32. 32.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
33. 33.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h6>
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h3>
36. 36.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
37. 37.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
39. 39.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on white (d) white on dark blue
40. 40.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False

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