Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 460 · 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.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
2. 2.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
4. 4.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
5. 5.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
6. 6.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
7. 7.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
8. 8.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
9. 9.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h6>
10. 10.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
11. 11.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
12. 12.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
13. 13.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) red on green (d) yellow on white
14. 14.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
15. 15.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
17. 17.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
18. 18.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on black (d) pink on red
19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
21. 21.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
22. 22.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
23. 23.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) yellow on white
25. 25.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
26. 26.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) red on green (d) yellow on black
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
29. 29.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) light grey on white (d) pink on red
30. 30.Which colour pair is hard to read? (a) white on dark blue (b) light grey on white (c) black on white (d) white on black
31. 31.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
33. 33.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
36. 36.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h2>
37. 37.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
39. 39.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
40. 40.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read

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