Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 994 · 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 hard to read? (a) pink on red (b) white on black (c) black on white (d) white on dark blue
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
3. 3.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
4. 4.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h5> (d) <h2>
5. 5.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
6. 6.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) red on green (d) black on white
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
8. 8.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h1> (d) <h3>
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h6>
10. 10.True or false: “colour as the only clue” makes the page harder to use. (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.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
14. 14.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
15. 15.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) red on green (d) blue on purple
16. 16.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
17. 17.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
19. 19.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
20. 20.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) white on dark blue (d) black on white
21. 21.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
23. 23.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
24. 24.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
25. 25.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.True or false: “label every form box” helps everyone use the page. (a) False (b) True
28. 28.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
29. 29.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
31. 31.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
33. 33.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h5>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
36. 36.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
38. 38.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on dark blue (d) red on green
39. 39.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
40. 40.Which colour pair is hard to read? (a) light grey on white (b) dark grey on white (c) white on black (d) yellow on black

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