Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 940 · 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.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
2. 2.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
3. 3.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
4. 4.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) white on dark blue
5. 5.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
6. 6.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.True or false: “label every form box” makes the page harder to use. (a) True (b) False
8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h4>
9. 9.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) red on green (d) light grey on white
11. 11.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h4>
13. 13.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h1> (d) <h4>
14. 14.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
15. 15.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
16. 16.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h1>
19. 19.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
21. 21.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
22. 22.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
24. 24.Which colour pair is hard to read? (a) light grey on white (b) yellow on black (c) dark grey on white (d) black on white
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
26. 26.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
28. 28.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.Which colour pair is hard to read? (a) white on black (b) pink on red (c) dark grey on white (d) black on white
31. 31.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
33. 33.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) yellow on black (d) black on white
35. 35.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
36. 36.Which colour pair is hard to read? (a) white on black (b) black on white (c) yellow on white (d) dark grey on white
37. 37.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
38. 38.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No

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