Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 453 · 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.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) blue on purple (d) white on black
2. 2.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h3>
3. 3.True or false: “label every form box” makes the page harder to use. (a) True (b) False
4. 4.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
5. 5.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
7. 7.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
9. 9.Which colour pair is easy to read? (a) pink on red (b) red on green (c) light grey on white (d) white on dark blue
10. 10.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
11. 11.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
13. 13.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
14. 14.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
15. 15.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
16. 16.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) black on white (d) pink on red
17. 17.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) red on green (d) white on black
18. 18.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
19. 19.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
21. 21.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
22. 22.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
23. 23.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) dark grey on white (d) red on green
24. 24.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) pink on red (d) red on green
25. 25.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h3> (d) <h6>
26. 26.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
27. 27.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
28. 28.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
29. 29.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
30. 30.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
31. 31.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h1>
34. 34.Which colour pair is hard to read? (a) white on black (b) black on white (c) light grey on white (d) dark grey on white
35. 35.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
36. 36.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
37. 37.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
38. 38.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
39. 39.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) blue on purple (d) yellow on black

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