Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 147 · 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 dark grey on white easy or hard to read? (a) easy to read (b) hard to read
2. 2.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) light grey on white (d) white on black
4. 4.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) pink on red (d) yellow on white
5. 5.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
6. 6.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
7. 7.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
8. 8.True or false: “label every form box” helps everyone use the page. (a) False (b) True
9. 9.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
10. 10.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h4> (d) <h1>
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h5>
12. 12.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) black on white (d) yellow on black
13. 13.Which colour pair is easy to read? (a) red on green (b) pink on red (c) light grey on white (d) black on white
14. 14.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
15. 15.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) yellow on white (d) pink on red
16. 16.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
17. 17.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
18. 18.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
21. 21.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h6>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
23. 23.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) white on black (d) black on white
24. 24.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) blue on purple (d) white on dark blue
26. 26.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
27. 27.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h3>
28. 28.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
30. 30.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h5> (d) <h6>
31. 31.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
34. 34.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No
37. 37.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
39. 39.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder

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