Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 803 · 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.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
3. 3.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) light grey on white (d) white on black
4. 4.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
5. 5.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
6. 6.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
7. 7.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
8. 8.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h5>
9. 9.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
10. 10.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
12. 12.Which colour pair is hard to read? (a) white on dark blue (b) pink on red (c) yellow on black (d) white on black
13. 13.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
14. 14.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
15. 15.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.True or false: “label every form box” makes the page harder to use. (a) True (b) False
17. 17.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
19. 19.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h3>
20. 20.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h3>
21. 21.True or false: “use headings in order” 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) No (b) Yes
23. 23.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
24. 24.Which colour pair is easy to read? (a) blue on purple (b) dark grey on white (c) red on green (d) light grey on white
25. 25.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
26. 26.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
27. 27.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
28. 28.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
29. 29.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
30. 30.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) white on dark blue (d) red on green
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
32. 32.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
33. 33.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) black on white (d) red on green
34. 34.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
36. 36.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
37. 37.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) blue on purple (d) white on dark blue
38. 38.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
40. 40.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False

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