Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 560 · 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 this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
2. 2.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
3. 3.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
4. 4.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
5. 5.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
6. 6.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
7. 7.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
8. 8.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
10. 10.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
13. 13.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
14. 14.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) no colours at all (d) only red text
15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
16. 16.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
17. 17.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) pink on red
18. 18.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) red on green (d) light grey on white
19. 19.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h4>
20. 20.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) dark grey on white (d) light grey on white
21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
22. 22.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
23. 23.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
25. 25.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) blue on purple (d) white on black
26. 26.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
27. 27.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
28. 28.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
31. 31.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
33. 33.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
34. 34.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) black on white (d) white on black
35. 35.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) dark grey on white (d) pink on red
36. 36.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
37. 37.🌗 Is yellow on white 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: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.Which colour pair is hard to read? (a) black on white (b) white on black (c) red on green (d) dark grey on white
40. 40.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h2>

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