Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 335 · 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 coders (c) only teachers (d) people who are blind
2. 2.Which colour pair is easy to read? (a) red on green (b) black on white (c) yellow on white (d) pink on red
3. 3.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
5. 5.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on black (d) blue on purple
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
7. 7.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
8. 8.True or false: “label every form box” helps everyone use the page. (a) True (b) False
9. 9.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
11. 11.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
12. 12.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
13. 13.Which colour pair is easy to read? (a) white on dark blue (b) light grey on white (c) red on green (d) blue on purple
14. 14.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h3> (d) <h1>
15. 15.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
17. 17.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
19. 19.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
20. 20.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h5>
21. 21.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) pink on red (d) dark grey on white
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
23. 23.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
24. 24.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
25. 25.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
26. 26.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
29. 29.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
31. 31.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
32. 32.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
33. 33.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h3>
35. 35.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
36. 36.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
37. 37.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h3>
38. 38.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) blue on purple (d) white on dark blue
39. 39.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
40. 40.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read

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