Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 969 · 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 light grey on white easy or hard to read? (a) easy to read (b) hard to read
2. 2.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) white on dark blue
3. 3.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
4. 4.True or false: “label every form box” makes the page harder to use. (a) False (b) True
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
6. 6.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
7. 7.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) light grey on white
8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
9. 9.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
10. 10.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) red on green (d) black on white
11. 11.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h4> (d) <h3>
12. 12.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) text stands out clearly (d) only red text
13. 13.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only coders (d) only robots
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
15. 15.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
16. 16.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) white on dark blue (d) pink on red
17. 17.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
18. 18.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
19. 19.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) blue on purple
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h4>
21. 21.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
23. 23.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
26. 26.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
27. 27.Which colour pair is hard to read? (a) light grey on white (b) black on white (c) white on black (d) white on dark blue
28. 28.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
29. 29.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
30. 30.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
33. 33.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
34. 34.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h5>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
37. 37.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) yellow on white (c) white on dark blue (d) black on white
39. 39.Which colour pair is easy to read? (a) yellow on black (b) yellow on white (c) light grey on white (d) pink on red
40. 40.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True

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