Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 298 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
2. 2.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
3. 3.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
5. 5.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
6. 6.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) text stands out clearly (d) many bright colours
7. 7.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) pink on red (d) light grey on white
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
9. 9.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) yellow on white (d) red on green
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
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.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
13. 13.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) red on green (d) black on white
14. 14.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
15. 15.Which colour pair is easy to read? (a) white on black (b) pink on red (c) red on green (d) yellow on white
16. 16.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h3>
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h1>
18. 18.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
20. 20.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
21. 21.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) black on white (d) yellow on black
22. 22.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
23. 23.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
24. 24.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
27. 27.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
28. 28.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
31. 31.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
32. 32.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h3>
34. 34.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h6> (d) <h2>
35. 35.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
36. 36.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
37. 37.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
38. 38.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
40. 40.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h3> (d) <h6>

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