Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 523 · 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.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h4>
2. 2.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h5> (d) <h2>
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
6. 6.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
7. 7.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h2>
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
9. 9.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
11. 11.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
12. 12.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
13. 13.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
14. 14.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
15. 15.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
17. 17.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
18. 18.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h5> (d) <h4>
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
21. 21.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
22. 22.Which colour pair is hard to read? (a) black on white (b) blue on purple (c) white on black (d) white on dark blue
23. 23.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
24. 24.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on black (d) yellow on black
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
27. 27.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
28. 28.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
30. 30.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) pink on red (d) white on black
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
33. 33.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) black on white (d) yellow on white
34. 34.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) blue on purple (d) white on dark blue
35. 35.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
36. 36.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) light grey on white (d) black on white
39. 39.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h3>
40. 40.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) white on black (d) white on dark blue

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