Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 393 · 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.Which colour pair is hard to read? (a) white on black (b) red on green (c) yellow on black (d) dark grey on white
3. 3.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
5. 5.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) black on white (d) light grey on white
6. 6.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
8. 8.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
10. 10.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
11. 11.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
12. 12.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
13. 13.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
14. 14.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h1>
15. 15.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
19. 19.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h6>
20. 20.True or false: “label every form box” makes the page harder to use. (a) True (b) False
21. 21.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
23. 23.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
24. 24.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
26. 26.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) black on white (d) yellow on white
27. 27.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h1>
28. 28.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
30. 30.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) blue on purple (d) white on black
32. 32.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
34. 34.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
35. 35.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
38. 38.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
39. 39.Which colour pair is easy to read? (a) pink on red (b) yellow on black (c) light grey on white (d) yellow on white
40. 40.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) white on black (d) red on green

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