Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 204 · 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: “write clear link text” makes the page harder to use. (a) True (b) False
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
3. 3.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) blue on purple (d) dark grey on white
4. 4.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
6. 6.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
7. 7.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
9. 9.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
10. 10.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
11. 11.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
12. 12.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) yellow on white (d) light grey on white
14. 14.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
16. 16.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
17. 17.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
19. 19.Which colour pair is easy to read? (a) red on green (b) black on white (c) light grey on white (d) yellow on white
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h5>
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
22. 22.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
23. 23.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
24. 24.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
25. 25.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
26. 26.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) white on black (d) black on white
27. 27.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
28. 28.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
29. 29.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) yellow on black
30. 30.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
31. 31.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
32. 32.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) yellow on white (d) white on black
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h3>
34. 34.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h6>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
36. 36.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
37. 37.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on black (d) pink on red
38. 38.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes

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