Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 229 · 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.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
2. 2.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) yellow on black (d) dark grey on white
3. 3.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) yellow on white (d) blue on purple
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
5. 5.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
6. 6.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
7. 7.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
8. 8.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) white on dark blue (d) dark grey on white
10. 10.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
11. 11.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
12. 12.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h1>
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
15. 15.True or false: “label every form box” makes the page harder to use. (a) False (b) True
16. 16.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
17. 17.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
18. 18.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h1> (d) <h5>
19. 19.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on dark blue (d) pink on red
20. 20.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
23. 23.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h2>
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h5> (d) <h2>
26. 26.Which colour pair is hard to read? (a) black on white (b) white on black (c) red on green (d) white on dark blue
27. 27.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
28. 28.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) yellow on black (d) white on dark blue
29. 29.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
30. 30.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) blue on purple (d) white on black
31. 31.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) pink on red (d) yellow on white
32. 32.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
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.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
35. 35.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
36. 36.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
40. 40.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True

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