Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 311 · 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 easy to read? (a) red on green (b) black on white (c) pink on red (d) yellow on white
2. 2.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
3. 3.🌗 Is red on green 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: link text “click here”? (a) helps everyone (b) makes it harder
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
7. 7.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) black on white (d) yellow on black
9. 9.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
10. 10.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
11. 11.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
13. 13.Which colour pair is easy to read? (a) pink on red (b) red on green (c) yellow on white (d) white on black
14. 14.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
16. 16.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
17. 17.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h1> (d) <h4>
18. 18.Which colour pair is easy to read? (a) yellow on black (b) pink on red (c) blue on purple (d) yellow on white
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h3>
20. 20.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
21. 21.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h1>
23. 23.True or false: “label every form box” helps everyone use the page. (a) False (b) True
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
25. 25.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h3> (d) <h1>
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
28. 28.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
31. 31.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
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: label every form box? (a) helps everyone (b) makes it harder
35. 35.Which colour pair is easy to read? (a) blue on purple (b) dark grey on white (c) light grey on white (d) pink on red
36. 36.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) white on dark blue (d) red on green
37. 37.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
38. 38.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
39. 39.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone

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