Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 200 · 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 colour pair is hard to read? (a) dark grey on white (b) white on black (c) white on dark blue (d) blue on purple
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
3. 3.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
4. 4.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
5. 5.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) black on white (d) red on green
6. 6.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h2>
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 <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h2>
9. 9.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
10. 10.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
11. 11.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h4>
12. 12.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
13. 13.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
15. 15.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
18. 18.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark grey on white (d) red on green
19. 19.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
20. 20.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
21. 21.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
22. 22.Which colour pair is hard to read? (a) black on white (b) white on black (c) white on dark blue (d) red on green
23. 23.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
25. 25.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
26. 26.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
27. 27.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
28. 28.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
30. 30.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h6> (d) <h5>
31. 31.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
32. 32.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
34. 34.Which colour pair is easy to read? (a) blue on purple (b) white on black (c) yellow on white (d) red on green
35. 35.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
36. 36.True or false: “label every form box” makes the page harder to use. (a) True (b) False
37. 37.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
38. 38.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
39. 39.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
40. 40.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read

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