Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 633 · 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.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
2. 2.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) red on green
3. 3.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h6> (d) <h5>
4. 4.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
5. 5.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
6. 6.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
8. 8.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
10. 10.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
11. 11.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) pink on red (d) red on green
12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h3>
13. 13.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
14. 14.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
15. 15.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
16. 16.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
20. 20.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
23. 23.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
24. 24.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
27. 27.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
28. 28.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
29. 29.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
30. 30.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) red on green
31. 31.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
32. 32.Which colour pair is hard to read? (a) blue on purple (b) dark grey on white (c) white on black (d) yellow on black
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h4> (d) <h2>
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
35. 35.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) yellow on black (d) white on dark blue
36. 36.True or false: “label every form box” helps everyone use the page. (a) False (b) True
37. 37.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
38. 38.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
39. 39.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No

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