Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 350 · 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 easy to read? (a) red on green (b) yellow on black (c) light grey on white (d) yellow on white
2. 2.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) yellow on white
3. 3.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
4. 4.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
5. 5.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
6. 6.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
7. 7.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
9. 9.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h4>
10. 10.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
11. 11.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
12. 12.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
13. 13.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
14. 14.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
17. 17.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
18. 18.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
19. 19.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h6> (d) <h4>
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
21. 21.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
22. 22.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
23. 23.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
24. 24.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is easy to read? (a) red on green (b) pink on red (c) black on white (d) blue on purple
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
27. 27.Which colour pair is easy to read? (a) white on dark blue (b) yellow on white (c) red on green (d) light grey on white
28. 28.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) white on black (d) red on green
29. 29.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
30. 30.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h2>
31. 31.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
32. 32.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
33. 33.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
34. 34.True or false: “label every form box” makes the page harder to use. (a) True (b) False
35. 35.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
36. 36.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
37. 37.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
38. 38.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
40. 40.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h1>

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