Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 665 · 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.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
2. 2.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
3. 3.🌗 Is red on green 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: link text “click here”? (a) helps everyone (b) makes it harder
5. 5.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
7. 7.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h3>
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
9. 9.True or false: “label every form box” helps everyone use the page. (a) True (b) False
10. 10.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
11. 11.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
13. 13.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
14. 14.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) black on white (d) white on dark blue
15. 15.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
16. 16.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
19. 19.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
20. 20.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h2>
21. 21.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
22. 22.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
23. 23.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) red on green (d) white on black
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
25. 25.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
27. 27.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h3>
28. 28.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
29. 29.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
30. 30.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h6>
31. 31.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
33. 33.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
34. 34.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) white on black (d) dark grey on white
35. 35.Which colour pair is hard to read? (a) yellow on black (b) pink on red (c) white on black (d) black on white
36. 36.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
37. 37.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
38. 38.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
39. 39.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
40. 40.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True

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