Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 297 · 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) pink on red (c) yellow on white (d) black on white
2. 2.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h4> (d) <h2>
4. 4.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
5. 5.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
6. 6.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h1>
10. 10.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) red on green (d) black on white
11. 11.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) light grey on white (d) yellow on white
12. 12.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
13. 13.Which colour pair is hard to read? (a) blue on purple (b) dark grey on white (c) black on white (d) white on black
14. 14.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) black on white (d) white on dark blue
15. 15.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
17. 17.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) dark grey on white (d) blue on purple
18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h2>
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
21. 21.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
23. 23.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
24. 24.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
25. 25.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
26. 26.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
27. 27.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) black on white (d) yellow on black
28. 28.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) light grey on white
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.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
31. 31.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
34. 34.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
35. 35.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
36. 36.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) blue on purple (d) white on dark blue
37. 37.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
38. 38.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h4>
40. 40.Which colour pair is easy to read? (a) pink on red (b) red on green (c) white on black (d) yellow on white

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