Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 981 · 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> → <h2> → <h2> → <h3> (a) No (b) Yes
2. 2.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
3. 3.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) yellow on black (d) black on white
4. 4.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) dark grey on white (d) white on black
5. 5.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
7. 7.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is easy to read? (a) blue on purple (b) yellow on black (c) yellow on white (d) red on green
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
10. 10.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
11. 11.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
13. 13.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
14. 14.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
15. 15.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h3> (d) <h2>
17. 17.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
18. 18.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
19. 19.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
20. 20.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) light grey on white (d) pink on red
22. 22.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
23. 23.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
24. 24.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
25. 25.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
27. 27.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
28. 28.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
29. 29.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
32. 32.Which colour pair is easy to read? (a) yellow on white (b) white on dark blue (c) pink on red (d) blue on purple
33. 33.True or false: “label every form box” helps everyone use the page. (a) False (b) True
34. 34.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h3> (d) <h1>
35. 35.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
36. 36.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
37. 37.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
39. 39.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) light grey on white (d) red on green
40. 40.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) pink on red (d) white on black

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