Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 825 · 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.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
4. 4.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
5. 5.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
6. 6.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
7. 7.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) black on white (d) yellow on black
8. 8.Which colour pair is hard to read? (a) blue on purple (b) white on black (c) white on dark blue (d) dark grey on white
9. 9.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) white on dark blue (d) red on green
10. 10.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
12. 12.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
13. 13.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
14. 14.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
15. 15.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) light grey on white (d) red on green
17. 17.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h6>
20. 20.Which colour pair is hard to read? (a) white on black (b) black on white (c) dark grey on white (d) pink on red
21. 21.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
24. 24.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) red on green (d) light grey on white
25. 25.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) blue on purple (d) red on green
26. 26.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
28. 28.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
30. 30.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h2>
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h4> (d) <h6>
32. 32.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
33. 33.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
34. 34.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
38. 38.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
39. 39.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No

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