Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 165 · 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> → <h4> (a) No (b) Yes
2. 2.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
3. 3.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
5. 5.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) light grey on white
6. 6.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) link (d) here
8. 8.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h1> (d) <h2>
10. 10.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
11. 11.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) white on black (d) red on green
12. 12.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
13. 13.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) red on green (d) light grey on white
14. 14.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
15. 15.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h3>
17. 17.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
18. 18.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) white on black (d) pink on red
19. 19.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h5>
21. 21.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
22. 22.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
23. 23.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) white on black (d) yellow on white
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
26. 26.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
28. 28.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
29. 29.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
31. 31.Which colour pair is easy to read? (a) dark grey on white (b) yellow on white (c) light grey on white (d) blue on purple
32. 32.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
33. 33.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
34. 34.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
35. 35.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) red on green (d) light grey on white
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
38. 38.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
40. 40.True or false: “use headings in order” helps everyone use the page. (a) False (b) True

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