Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 891 · 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 red on green easy or hard to read? (a) easy to read (b) hard to read
2. 2.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
4. 4.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
5. 5.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h5> (d) <h4>
7. 7.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) light grey on white (d) white on black
9. 9.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
10. 10.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) black on white (d) red on green
11. 11.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) black on white (d) dark grey on white
12. 12.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
13. 13.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
14. 14.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h6>
15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
16. 16.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
18. 18.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
19. 19.Which colour pair is easy to read? (a) black on white (b) blue on purple (c) red on green (d) pink on red
20. 20.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
21. 21.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
22. 22.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
23. 23.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) white on dark blue (d) light grey on white
24. 24.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
25. 25.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) yellow on black
26. 26.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
27. 27.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
28. 28.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h2> (d) <h1>
29. 29.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
31. 31.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
33. 33.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
34. 34.Which colour pair is easy to read? (a) dark grey on white (b) yellow on white (c) blue on purple (d) red on green
35. 35.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
36. 36.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
37. 37.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
38. 38.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
40. 40.Which colour pair is hard to read? (a) pink on red (b) black on white (c) white on black (d) dark grey on white

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