Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 66 · 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) pink on red (b) dark grey on white (c) red on green (d) yellow on white
2. 2.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
5. 5.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h4>
7. 7.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) no colours at all (d) only red text
8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h3>
9. 9.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) link (d) here
10. 10.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h2>
12. 12.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
13. 13.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
15. 15.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h3> (d) <h2>
16. 16.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
17. 17.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on dark blue (d) yellow on black
18. 18.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
19. 19.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
20. 20.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) white on black (d) yellow on black
21. 21.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
23. 23.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
26. 26.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
27. 27.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
28. 28.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
29. 29.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h3> (d) <h2>
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
31. 31.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy 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: skipping heading levels? (a) helps everyone (b) makes it harder
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
35. 35.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
36. 36.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
37. 37.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) yellow on black (d) yellow on white
39. 39.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on black (d) red on green
40. 40.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False

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