Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 720 · 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) white on dark blue (d) yellow on white
2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
3. 3.Which colour pair is easy to read? (a) red on green (b) pink on red (c) dark grey on white (d) yellow on white
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
5. 5.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) red on green (d) white on black
6. 6.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
7. 7.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) pink on red
8. 8.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
9. 9.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
11. 11.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
12. 12.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h5>
13. 13.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
14. 14.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
15. 15.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h3>
17. 17.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
18. 18.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
19. 19.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
20. 20.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
21. 21.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
23. 23.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
24. 24.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h6>
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
26. 26.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
27. 27.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
28. 28.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.Which colour pair is easy to read? (a) black on white (b) pink on red (c) light grey on white (d) yellow on white
30. 30.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
31. 31.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
32. 32.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
33. 33.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
35. 35.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on black (d) yellow on white
36. 36.True or false: “label every form box” helps everyone use the page. (a) False (b) True
37. 37.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) light grey on white (d) pink on red
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
40. 40.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read

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