Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 783 · 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.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
2. 2.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
5. 5.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
6. 6.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) light grey on white (d) white on dark blue
7. 7.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) black on white (d) yellow on white
9. 9.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h6>
10. 10.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h3>
11. 11.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
12. 12.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
13. 13.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
14. 14.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
15. 15.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
16. 16.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
17. 17.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
19. 19.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) pink on red (d) blue on purple
20. 20.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) black on white (d) red on green
21. 21.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
22. 22.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
23. 23.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) red on green (d) yellow on black
24. 24.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
26. 26.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h2>
27. 27.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) dark grey on white (d) white on dark blue
28. 28.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
29. 29.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) dark grey on white (d) light grey on white
30. 30.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
31. 31.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
32. 32.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
33. 33.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
34. 34.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
35. 35.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
36. 36.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
37. 37.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
39. 39.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) yellow on white (d) light grey on white
40. 40.♿ 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>

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