Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 255 · 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) blue on purple (b) pink on red (c) yellow on white (d) yellow on black
2. 2.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
3. 3.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) blue on purple (d) pink on red
4. 4.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
5. 5.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only coders (d) only robots
6. 6.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
7. 7.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h4>
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h1>
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.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
13. 13.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
15. 15.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
16. 16.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h2>
17. 17.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
18. 18.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
19. 19.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
20. 20.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) yellow on black (d) blue on purple
21. 21.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
22. 22.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
28. 28.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h1>
29. 29.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on dark blue (d) white on black
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) white on black
32. 32.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on white (d) white on dark blue
33. 33.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
34. 34.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
35. 35.Which colour pair is hard to read? (a) red on green (b) black on white (c) yellow on black (d) dark grey on white
36. 36.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
40. 40.True or false: “images with no alt” makes the page harder to use. (a) True (b) False

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