Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 843 · 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> → <h1> → <h2> → <h3> (a) Yes (b) No
2. 2.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
3. 3.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
5. 5.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h4>
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
7. 7.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
8. 8.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
9. 9.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
10. 10.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
13. 13.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) white on dark blue (d) blue on purple
14. 14.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on black (d) red on green
15. 15.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h2> (d) <h5>
16. 16.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
17. 17.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
18. 18.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
19. 19.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
21. 21.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
23. 23.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) white on dark blue (d) yellow on white
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
25. 25.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h5>
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 yellow on black easy or hard to read? (a) hard to read (b) easy to read
28. 28.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
30. 30.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
31. 31.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
33. 33.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
34. 34.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) yellow on black (d) blue on purple
35. 35.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) pink on red (d) yellow on white
36. 36.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) light grey on white
38. 38.True or false: “label every form box” makes the page harder to use. (a) True (b) False
39. 39.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on white (d) yellow on black
40. 40.True or false: “images with no alt” helps everyone use the page. (a) False (b) True

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