Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 817 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
2. 2.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h6> (d) <h3>
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
4. 4.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
6. 6.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
7. 7.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
8. 8.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
9. 9.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
11. 11.True or false: “label every form box” makes the page harder to use. (a) True (b) False
12. 12.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) red on green (d) light grey on white
13. 13.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h6> (d) <h4>
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
15. 15.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
16. 16.Which colour pair is easy to read? (a) pink on red (b) black on white (c) blue on purple (d) yellow on white
17. 17.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
19. 19.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
20. 20.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
21. 21.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
24. 24.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
26. 26.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
27. 27.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
28. 28.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
29. 29.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
30. 30.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h2>
31. 31.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
32. 32.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h4> (d) <h1>
33. 33.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
34. 34.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) pink on red (d) black on white
35. 35.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
36. 36.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
37. 37.True or false: “label every form box” helps everyone use the page. (a) True (b) False
38. 38.Which colour pair is hard to read? (a) light grey on white (b) yellow on black (c) white on dark blue (d) dark grey on white
39. 39.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) red on green
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes

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