Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 49 · 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 <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h2>
2. 2.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
3. 3.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) yellow on black (d) yellow on white
4. 4.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
5. 5.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
7. 7.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
8. 8.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
11. 11.True or false: “label every form box” makes the page harder to use. (a) True (b) False
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
13. 13.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) yellow on white (d) red on green
14. 14.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
16. 16.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
18. 18.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
20. 20.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h6> (d) <h3>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
25. 25.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
27. 27.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
28. 28.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
29. 29.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) pink on red (d) black on white
30. 30.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
31. 31.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) light grey on white (d) white on dark blue
32. 32.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) blue on purple (d) yellow on black
33. 33.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) light grey on white (d) dark grey on white
34. 34.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
36. 36.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h4> (d) <h6>
38. 38.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
39. 39.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
40. 40.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read

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