Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 99 · 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.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
2. 2.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) blue on purple (d) black on white
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
4. 4.Which colour pair is hard to read? (a) black on white (b) red on green (c) white on dark blue (d) dark grey on white
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
7. 7.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
10. 10.Which colour pair is hard to read? (a) white on black (b) black on white (c) yellow on white (d) yellow on black
11. 11.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
12. 12.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h4>
14. 14.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) pink on red (d) dark grey on white
15. 15.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
16. 16.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
17. 17.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
18. 18.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
21. 21.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark grey on white (d) red on green
22. 22.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
24. 24.Which colour pair is hard to read? (a) white on dark blue (b) light grey on white (c) dark grey on white (d) white on black
25. 25.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
27. 27.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
28. 28.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) yellow on black (d) light grey on white
29. 29.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h2> (d) <h5>
31. 31.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “label every form box” makes the page harder to use. (a) True (b) False
33. 33.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
34. 34.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
35. 35.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
36. 36.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
37. 37.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
38. 38.Which colour pair is easy to read? (a) pink on red (b) white on dark blue (c) blue on purple (d) light grey on white
39. 39.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “use big enough text” helps everyone use the page. (a) False (b) True

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