Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 395 · 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> → <h1> → <h2> → <h4> (a) No (b) Yes
2. 2.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) dark grey on white (d) white on dark blue
3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
4. 4.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
6. 6.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h5>
7. 7.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
8. 8.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) red on green (d) black on white
9. 9.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h5>
11. 11.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) light grey on white (d) black on white
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
13. 13.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
14. 14.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) white on dark blue (d) yellow on black
15. 15.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
18. 18.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
21. 21.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
23. 23.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) blue on purple (d) black on white
24. 24.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
25. 25.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
28. 28.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
29. 29.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) white on black (d) blue on purple
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
31. 31.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h1>
32. 32.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
33. 33.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
34. 34.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
37. 37.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
39. 39.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “images with no alt” makes the page harder to use. (a) True (b) False

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