Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 700 · 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> → <h4> (a) No (b) Yes
2. 2.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
3. 3.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
4. 4.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
5. 5.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) black on white (d) yellow on white
6. 6.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
7. 7.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
8. 8.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) dark grey on white (d) light grey on white
9. 9.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) dark grey on white (d) white on dark blue
10. 10.Which colour pair is easy to read? (a) white on black (b) red on green (c) pink on red (d) light grey on white
11. 11.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
12. 12.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
13. 13.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
14. 14.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
15. 15.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) blue on purple (d) light grey on white
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) white on dark blue (d) red on green
19. 19.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
20. 20.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
21. 21.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) pink on red (d) yellow on black
22. 22.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
23. 23.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h3>
25. 25.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h1>
26. 26.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
27. 27.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) yellow on black (d) white on black
28. 28.True or false: “label every form box” makes the page harder to use. (a) False (b) True
29. 29.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h2> (d) <h4>
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
31. 31.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h1> (d) <h3>
32. 32.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) red on green (d) white on black
33. 33.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
34. 34.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
35. 35.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
36. 36.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
38. 38.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
39. 39.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h3>
40. 40.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read

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