Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 798 · 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.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
3. 3.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
4. 4.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
5. 5.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
6. 6.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
8. 8.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h2>
9. 9.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) dark grey on white
10. 10.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
12. 12.Which colour pair is hard to read? (a) white on black (b) pink on red (c) white on dark blue (d) yellow on black
13. 13.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
15. 15.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
16. 16.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
17. 17.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h3> (d) <h5>
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
21. 21.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
22. 22.Which colour pair is easy to read? (a) white on black (b) pink on red (c) blue on purple (d) yellow on white
23. 23.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) white on black (d) dark grey on white
24. 24.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
25. 25.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) red on green (d) yellow on black
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
27. 27.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h6>
28. 28.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h3> (d) <h1>
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
31. 31.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “label every form box” makes the page harder to use. (a) True (b) False
33. 33.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
34. 34.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h1>
36. 36.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
37. 37.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) black on white (d) red on green
38. 38.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
39. 39.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True

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