Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 809 · 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> → <h2> → <h2> (a) Yes (b) No
2. 2.Which colour pair is easy to read? (a) red on green (b) black on white (c) pink on red (d) blue on purple
3. 3.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) red on green (d) black on white
4. 4.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
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.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
8. 8.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
12. 12.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
13. 13.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
16. 16.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
17. 17.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
18. 18.Which colour pair is hard to read? (a) black on white (b) pink on red (c) white on black (d) dark grey on white
19. 19.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only teachers (d) only coders
20. 20.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
21. 21.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
22. 22.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
23. 23.True or false: “label every form box” makes the page harder to use. (a) True (b) False
24. 24.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
25. 25.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
28. 28.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) red on green (d) white on black
29. 29.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h6> (d) <h4>
30. 30.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on white (d) white on dark blue
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) white on dark blue (d) light grey on white
32. 32.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
33. 33.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
34. 34.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h1> (d) <h5>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
36. 36.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
38. 38.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
39. 39.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) yellow on black (d) black on white
40. 40.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>

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