Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 421 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
2. 2.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h1>
4. 4.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
5. 5.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) black on white (d) white on dark blue
6. 6.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
7. 7.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h2>
8. 8.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
9. 9.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) yellow on black
11. 11.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
12. 12.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only robots (d) only coders
14. 14.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) light grey on white (d) red on green
15. 15.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
17. 17.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
18. 18.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
19. 19.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
20. 20.True or false: “label every form box” helps everyone use the page. (a) True (b) False
21. 21.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) pink on red (d) light grey on white
22. 22.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
24. 24.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) pink on red (d) light grey on white
25. 25.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
27. 27.True or false: “label every form box” makes the page harder to use. (a) True (b) False
28. 28.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h1> (d) <h3>
29. 29.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) white on black (d) black on white
30. 30.Which colour pair is hard to read? (a) white on black (b) black on white (c) yellow on black (d) light grey on white
31. 31.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
32. 32.Which colour pair is hard to read? (a) black on white (b) pink on red (c) white on black (d) white on dark blue
33. 33.Which colour pair is easy to read? (a) pink on red (b) white on black (c) yellow on white (d) light grey on white
34. 34.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
36. 36.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
38. 38.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
40. 40.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read

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