Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 696 · 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.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
3. 3.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
4. 4.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h1>
5. 5.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) yellow on white (d) red on green
6. 6.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) light grey on white (d) black on white
7. 7.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
8. 8.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) pink on red (d) light grey on white
9. 9.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) dark grey on white (d) white on dark blue
10. 10.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on black (d) light grey on white
11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h5>
12. 12.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
13. 13.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
14. 14.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
15. 15.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
18. 18.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h1>
19. 19.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
20. 20.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h5>
21. 21.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
23. 23.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) yellow on black (d) pink on red
24. 24.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) red on green (d) yellow on white
25. 25.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
27. 27.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
29. 29.True or false: “label every form box” makes the page harder to use. (a) False (b) True
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
31. 31.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
33. 33.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
35. 35.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
36. 36.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
37. 37.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) yellow on black
38. 38.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder

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