Web Worksheet: Accessibility Basics

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

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