Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 934 · 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.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
2. 2.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
3. 3.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) black on white (d) yellow on white
4. 4.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h2> (d) <h3>
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
6. 6.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
7. 7.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
9. 9.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) white on black (d) white on dark blue
10. 10.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
12. 12.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
13. 13.Which colour pair is easy to read? (a) pink on red (b) yellow on black (c) light grey on white (d) blue on purple
14. 14.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) black on white (d) yellow on black
15. 15.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
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
18. 18.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
20. 20.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) yellow on black (d) light grey on white
21. 21.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) red on green (d) pink on red
22. 22.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
23. 23.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
24. 24.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
25. 25.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
27. 27.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
28. 28.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
30. 30.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) white on dark blue
31. 31.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
33. 33.🌗 Is black on white 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: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h5>
36. 36.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
37. 37.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h2>
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
39. 39.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
40. 40.True or false: “write clear link text” helps everyone use the page. (a) False (b) True

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