Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 728 · 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 hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) blue on purple
2. 2.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
4. 4.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
5. 5.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on black (d) yellow on black
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
7. 7.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
8. 8.Which colour pair is easy to read? (a) red on green (b) black on white (c) light grey on white (d) yellow on white
9. 9.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h6>
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
12. 12.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) yellow on black
13. 13.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
14. 14.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
15. 15.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
16. 16.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
17. 17.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
18. 18.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
19. 19.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
20. 20.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
22. 22.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h5>
23. 23.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) black on white (d) light grey on white
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h3>
25. 25.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
27. 27.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) black on white (d) dark grey on white
28. 28.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
31. 31.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.Which colour pair is easy to read? (a) red on green (b) dark grey on white (c) pink on red (d) light grey on white
33. 33.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
34. 34.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
35. 35.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
36. 36.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
38. 38.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) red on green (d) white on dark blue

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