Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 741 · 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) blue on purple (b) yellow on black (c) dark grey on white (d) white on dark blue
2. 2.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
3. 3.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.Which colour pair is hard to read? (a) dark grey on white (b) pink on red (c) white on black (d) white on dark blue
5. 5.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h5>
6. 6.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
8. 8.True or false: “label every form box” makes the page harder to use. (a) True (b) False
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h2>
10. 10.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
11. 11.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
12. 12.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) blue on purple (d) black on white
13. 13.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) yellow on white (d) pink on red
14. 14.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
17. 17.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
18. 18.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) dark grey on white (d) white on dark blue
19. 19.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
20. 20.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
21. 21.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
23. 23.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) red on green (d) yellow on white
26. 26.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) light grey on white (d) white on black
27. 27.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) pink on red (d) yellow on white
28. 28.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
30. 30.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
33. 33.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
34. 34.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) light grey on white (d) yellow on black
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
36. 36.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
37. 37.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
38. 38.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
39. 39.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
40. 40.True or false: “use big enough text” helps everyone use the page. (a) True (b) False

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