Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 345 · 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: “label every form box” makes the page harder to use. (a) False (b) True
2. 2.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
3. 3.Which colour pair is easy to read? (a) pink on red (b) yellow on black (c) red on green (d) yellow on white
4. 4.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
5. 5.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
6. 6.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
8. 8.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) blue on purple (d) white on dark blue
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
10. 10.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
11. 11.Which colour pair is hard to read? (a) pink on red (b) white on dark blue (c) dark grey on white (d) black on white
12. 12.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
13. 13.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
14. 14.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
15. 15.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
16. 16.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) yellow on white (d) light grey on white
17. 17.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
18. 18.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
21. 21.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
22. 22.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) pink on red (d) blue on purple
23. 23.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
24. 24.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) black on white (d) yellow on white
25. 25.Which colour pair is easy to read? (a) white on dark blue (b) light grey on white (c) pink on red (d) red on green
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
27. 27.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
28. 28.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h6>
29. 29.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
30. 30.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
31. 31.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h3> (d) <h1>
32. 32.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
33. 33.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
34. 34.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
35. 35.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
36. 36.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
37. 37.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
39. 39.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
40. 40.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False

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