Web Worksheet: Accessibility Basics

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

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