Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 296 · 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.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
2. 2.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
3. 3.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) no colours at all (d) only red text
4. 4.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
5. 5.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
6. 6.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h1> (d) <h2>
7. 7.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h5>
8. 8.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) yellow on black (d) blue on purple
9. 9.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
10. 10.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
12. 12.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h6> (d) <h3>
13. 13.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
14. 14.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
15. 15.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
16. 16.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h4> (d) <h3>
17. 17.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
20. 20.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
21. 21.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on black (d) yellow on white
22. 22.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) light grey on white (d) white on black
23. 23.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
24. 24.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) red on green
26. 26.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) white on dark blue (d) light grey on white
27. 27.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
28. 28.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
30. 30.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
31. 31.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) white on dark blue (d) blue on purple
32. 32.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
35. 35.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) white on dark blue (d) pink on red
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
37. 37.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
38. 38.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h4>
39. 39.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
40. 40.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone

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