Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 100 · 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: “colour as the only clue” makes the page harder to use. (a) False (b) True
2. 2.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
3. 3.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) black on white
4. 4.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
5. 5.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on white (d) dark grey on white
7. 7.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
8. 8.Which colour pair is hard to read? (a) white on black (b) black on white (c) white on dark blue (d) light grey on white
9. 9.Which colour pair is hard to read? (a) black on white (b) pink on red (c) dark grey on white (d) yellow on black
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
11. 11.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
13. 13.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
14. 14.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
15. 15.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) dark grey on white (d) white on dark blue
17. 17.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
18. 18.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
19. 19.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) dark grey on white (d) light grey on white
20. 20.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) red on green (d) pink on red
21. 21.True or false: “label every form box” makes the page harder to use. (a) False (b) True
22. 22.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h4>
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
26. 26.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
28. 28.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
29. 29.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on black (d) red on green
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
31. 31.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
33. 33.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
35. 35.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
36. 36.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on dark blue (d) light grey on white
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
38. 38.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
39. 39.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone

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