Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 368 · 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> → <h1> → <h2> → <h3> (a) Yes (b) No
2. 2.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
3. 3.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
4. 4.Which colour pair is easy to read? (a) white on black (b) pink on red (c) yellow on white (d) light grey on white
5. 5.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
7. 7.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
8. 8.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
9. 9.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
10. 10.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
12. 12.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) pink on red (d) blue on purple
13. 13.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
14. 14.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
15. 15.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h5>
17. 17.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
18. 18.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) light grey on white
19. 19.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) red on green (d) white on dark blue
20. 20.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) pink on red (d) yellow on black
21. 21.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) red on green (d) light grey on white
22. 22.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
23. 23.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
27. 27.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
28. 28.True or false: “label every form box” helps everyone use the page. (a) False (b) True
29. 29.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
30. 30.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
31. 31.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
33. 33.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
36. 36.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
37. 37.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
38. 38.Which colour pair is easy to read? (a) pink on red (b) dark grey on white (c) light grey on white (d) red on green
39. 39.Which colour pair is hard to read? (a) yellow on black (b) yellow on white (c) white on black (d) black on white
40. 40.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h6>

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