Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 650 · 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: “images with no alt” helps everyone use the page. (a) True (b) False
2. 2.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
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.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
6. 6.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
7. 7.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
8. 8.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h5>
9. 9.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
10. 10.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
12. 12.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h1>
13. 13.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
14. 14.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) yellow on white (d) blue on purple
15. 15.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) dark grey on white (d) red on green
16. 16.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
18. 18.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
19. 19.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
21. 21.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) yellow on white (d) red on green
22. 22.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
23. 23.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
25. 25.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
29. 29.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
31. 31.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
33. 33.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) no colours at all (d) many bright colours
35. 35.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h4>
36. 36.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h5> (d) <h6>
37. 37.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) yellow on white (d) black on white
38. 38.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
40. 40.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) black on white (d) white on dark blue

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