Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 760 · 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) blue on purple (b) light grey on white (c) red on green (d) black on white
2. 2.Which colour pair is easy to read? (a) pink on red (b) white on black (c) red on green (d) yellow on white
3. 3.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
5. 5.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
6. 6.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
8. 8.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h6> (d) <h2>
9. 9.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h1>
10. 10.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) white on black (d) black on white
11. 11.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on white (d) yellow on black
12. 12.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) white on dark blue (d) white on black
13. 13.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
14. 14.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only teachers (d) only coders
15. 15.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
16. 16.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
18. 18.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
22. 22.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
23. 23.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
25. 25.True or false: “label every form box” helps everyone use the page. (a) True (b) False
26. 26.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
27. 27.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h3> (d) <h1>
28. 28.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
30. 30.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) red on green
32. 32.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
33. 33.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) dark grey on white (d) yellow on black
34. 34.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
36. 36.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
37. 37.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) white on dark blue (d) red on green
38. 38.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
40. 40.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False

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