Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 774 · 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 coders (b) only robots (c) only teachers (d) people who are blind
2. 2.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
3. 3.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
4. 4.Which colour pair is easy to read? (a) pink on red (b) red on green (c) black on white (d) yellow on white
5. 5.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) light grey on white (d) red on green
6. 6.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
8. 8.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) black on white (d) red on green
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
10. 10.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on white (d) yellow on black
11. 11.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
12. 12.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
13. 13.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
14. 14.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) blue on purple (d) red on green
15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
19. 19.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
20. 20.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
21. 21.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h2> (d) <h5>
22. 22.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) pink on red (d) white on black
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
26. 26.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on black (d) blue on purple
27. 27.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
30. 30.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h5>
31. 31.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h4> (d) <h6>
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h6>
34. 34.True or false: “label every form box” makes the page harder to use. (a) True (b) False
35. 35.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) dark grey on white (d) blue on purple
36. 36.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
38. 38.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
39. 39.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No

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