Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 756 · 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.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) dark grey on white (d) pink on red
2. 2.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h5>
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
5. 5.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
6. 6.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
7. 7.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
8. 8.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
9. 9.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
10. 10.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on black (d) blue on purple
11. 11.Which colour pair is hard to read? (a) white on black (b) pink on red (c) black on white (d) dark grey on white
12. 12.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) white on dark blue (d) yellow on black
13. 13.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
14. 14.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) yellow on white
15. 15.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
18. 18.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
19. 19.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
21. 21.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
23. 23.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) white on black (d) blue on purple
25. 25.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
26. 26.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
27. 27.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
32. 32.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) white on dark blue (d) light grey on white
33. 33.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
35. 35.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
36. 36.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
37. 37.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
40. 40.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h4>

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