Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 924 · 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.♿ Which link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
4. 4.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) yellow on white (d) white on dark blue
5. 5.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
7. 7.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is easy to read? (a) pink on red (b) red on green (c) yellow on black (d) blue on purple
9. 9.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
10. 10.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
11. 11.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on black (d) red on green
12. 12.Which colour pair is hard to read? (a) blue on purple (b) white on black (c) black on white (d) yellow on black
13. 13.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
14. 14.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
15. 15.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h1>
16. 16.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) yellow on white (d) blue on purple
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
18. 18.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
20. 20.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
22. 22.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
24. 24.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
25. 25.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
28. 28.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
29. 29.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) white on dark blue
30. 30.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
31. 31.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
32. 32.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
33. 33.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
34. 34.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) red on green (d) white on black
35. 35.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) pink on red
36. 36.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h3>
37. 37.True or false: “label every form box” makes the page harder to use. (a) False (b) True
38. 38.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
39. 39.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h2>
40. 40.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False

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