Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 900 · 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) white on dark blue (b) black on white (c) red on green (d) dark grey on white
2. 2.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
3. 3.True or false: “label every form box” makes the page harder to use. (a) False (b) True
4. 4.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) yellow on black (d) light grey on white
5. 5.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
6. 6.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
7. 7.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h6>
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
9. 9.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
10. 10.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
13. 13.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
14. 14.Which colour pair is hard to read? (a) white on black (b) pink on red (c) dark grey on white (d) white on dark blue
15. 15.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
17. 17.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h2>
18. 18.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
20. 20.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
21. 21.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
22. 22.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only robots (d) only coders
24. 24.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) yellow on white (d) white on dark blue
25. 25.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
26. 26.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h5>
27. 27.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on white (d) dark grey on white
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
29. 29.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
30. 30.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on black (d) light grey on white
31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
32. 32.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
34. 34.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
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.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) light grey on white (d) blue on purple
39. 39.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False

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