Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 47 · 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> → <h2> → <h3> (a) Yes (b) No
2. 2.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h5>
3. 3.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
4. 4.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
5. 5.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on black (d) blue on purple
6. 6.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only teachers (d) only robots
7. 7.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
8. 8.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h3> (d) <h6>
10. 10.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) blue on purple (d) yellow on black
11. 11.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) pink on red (d) red on green
12. 12.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) light grey on white (d) white on black
13. 13.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
14. 14.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
15. 15.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
16. 16.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
17. 17.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
18. 18.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
19. 19.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
20. 20.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) dark grey on white (d) yellow on white
21. 21.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
23. 23.🌗 Is white on dark blue 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) False (b) True
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
26. 26.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
27. 27.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) dark grey on white (d) pink on red
28. 28.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h3>
29. 29.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
30. 30.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
31. 31.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on black (d) yellow on white
32. 32.Which colour pair is hard to read? (a) white on black (b) black on white (c) yellow on black (d) red on green
33. 33.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) light grey on white (d) pink on red
36. 36.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
37. 37.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
38. 38.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
39. 39.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
40. 40.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h1> (d) <h4>

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