Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 485 · 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 red on green easy or hard to read? (a) hard to read (b) easy to read
2. 2.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
3. 3.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
4. 4.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
5. 5.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) blue on purple (d) dark grey on white
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
8. 8.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
9. 9.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
10. 10.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
11. 11.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h3>
13. 13.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
14. 14.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
15. 15.Which colour pair is hard to read? (a) white on black (b) black on white (c) yellow on black (d) blue on purple
16. 16.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
17. 17.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
19. 19.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
21. 21.Which colour pair is easy to read? (a) blue on purple (b) yellow on black (c) red on green (d) yellow on white
22. 22.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
23. 23.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) black on white (d) pink on red
24. 24.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h4>
25. 25.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
26. 26.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
27. 27.Which colour pair is hard to read? (a) red on green (b) black on white (c) yellow on black (d) white on black
28. 28.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
29. 29.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
30. 30.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
31. 31.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
33. 33.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
34. 34.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
35. 35.Which colour pair is easy to read? (a) white on black (b) red on green (c) blue on purple (d) pink on red
36. 36.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
37. 37.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) dark grey on white (d) yellow on black
38. 38.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False

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