Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 541 · 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 easy to read? (a) red on green (b) light grey on white (c) white on dark blue (d) yellow on white
2. 2.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
3. 3.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
4. 4.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
5. 5.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
6. 6.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
7. 7.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) white on black (d) yellow on black
8. 8.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
9. 9.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
10. 10.Which colour pair is easy to read? (a) red on green (b) white on black (c) yellow on white (d) light grey on white
11. 11.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
12. 12.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
14. 14.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) yellow on black (d) white on black
15. 15.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) blue on purple (d) light grey on white
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h2>
17. 17.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
18. 18.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h4>
20. 20.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
21. 21.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) white on black (d) black on white
22. 22.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
25. 25.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
26. 26.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
27. 27.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
28. 28.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
31. 31.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h4> (d) <h6>
33. 33.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
34. 34.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) yellow on black (d) white on black
35. 35.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
37. 37.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
38. 38.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
39. 39.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) pink on red (d) white on dark blue
40. 40.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h2>

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