Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 850 · 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.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h2>
2. 2.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
3. 3.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
5. 5.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) white on dark blue (d) black on white
6. 6.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.True or false: “label every form box” makes the page harder to use. (a) True (b) False
8. 8.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
9. 9.Which colour pair is easy to read? (a) red on green (b) pink on red (c) blue on purple (d) white on black
10. 10.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) yellow on black (d) white on dark blue
11. 11.♿ Which link text is clearest? (a) Read the fruit facts (b) click here (c) link (d) here
12. 12.Which colour pair is easy to read? (a) black on white (b) pink on red (c) red on green (d) yellow on white
13. 13.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h1> (d) <h2>
14. 14.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
15. 15.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
16. 16.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) red on green (d) pink on red
17. 17.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
18. 18.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
19. 19.Which colour pair is hard to read? (a) dark grey on white (b) pink on red (c) white on dark blue (d) yellow on black
20. 20.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h6> (d) <h5>
22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
23. 23.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
24. 24.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
26. 26.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
27. 27.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
31. 31.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h6> (d) <h3>
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
33. 33.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) black on white (d) blue on purple
36. 36.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
38. 38.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder

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