Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 133 · 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: “images with no alt” makes the page harder to use. (a) True (b) False
2. 2.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
4. 4.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h4>
5. 5.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
6. 6.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
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) <h6>
8. 8.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
9. 9.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) black on white (d) yellow on black
11. 11.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
12. 12.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
14. 14.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
16. 16.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
17. 17.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) yellow on black (d) dark grey on white
18. 18.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
19. 19.Which colour pair is easy to read? (a) black on white (b) red on green (c) light grey on white (d) yellow on white
20. 20.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on black (d) blue on purple
21. 21.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
23. 23.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h4>
25. 25.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) blue on purple (d) yellow on white
26. 26.True or false: “label every form box” makes the page harder to use. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
28. 28.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
29. 29.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
31. 31.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
32. 32.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
33. 33.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
34. 34.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
35. 35.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
36. 36.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
38. 38.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
39. 39.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
40. 40.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read

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