Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 926 · 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 blue on purple easy or hard to read? (a) easy to read (b) hard to read
2. 2.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
4. 4.Which colour pair is easy to read? (a) yellow on white (b) white on dark blue (c) light grey on white (d) red on green
5. 5.♿ 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>
6. 6.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) red on green
7. 7.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pink on red (d) yellow on black
8. 8.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
9. 9.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
10. 10.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
11. 11.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
12. 12.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
13. 13.True or false: “label every form box” helps everyone use the page. (a) True (b) False
14. 14.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
16. 16.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
18. 18.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
19. 19.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) black on white (d) white on dark blue
20. 20.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
21. 21.Which colour pair is hard to read? (a) white on black (b) pink on red (c) dark grey on white (d) black on white
22. 22.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
23. 23.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
25. 25.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
26. 26.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
27. 27.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h1>
28. 28.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
29. 29.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) yellow on white (d) blue on purple
30. 30.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
31. 31.🌗 Is yellow on black 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: write clear link text? (a) makes it harder (b) helps everyone
35. 35.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
36. 36.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
38. 38.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
40. 40.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) black on white (d) yellow on black

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