Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 691 · 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.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
2. 2.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
3. 3.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
5. 5.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.True or false: “label every form box” helps everyone use the page. (a) False (b) True
7. 7.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
8. 8.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
9. 9.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
10. 10.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
11. 11.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
12. 12.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) pink on red (d) red on green
13. 13.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h5>
14. 14.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) pink on red (d) yellow on white
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) hard to read (b) easy to read
17. 17.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
20. 20.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
21. 21.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) yellow on black (d) white on dark blue
22. 22.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
23. 23.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
24. 24.Which colour pair is hard to read? (a) yellow on black (b) yellow on white (c) white on dark blue (d) white on black
25. 25.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h5>
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
28. 28.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
29. 29.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
30. 30.Which colour pair is easy to read? (a) red on green (b) pink on red (c) yellow on white (d) white on black
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
32. 32.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on black (d) light grey on white
33. 33.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h4>
34. 34.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
36. 36.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h6> (d) <h2>
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
38. 38.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
40. 40.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read

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