Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 869 · 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 link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
2. 2.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) black on white (d) blue on purple
3. 3.True or false: “label every form box” helps everyone use the page. (a) True (b) False
4. 4.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) light grey on white (d) black on white
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
6. 6.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
7. 7.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h6> (d) <h3>
8. 8.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) blue on purple (d) pink on red
10. 10.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
11. 11.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
12. 12.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
15. 15.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on black (d) red on green
16. 16.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
17. 17.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
18. 18.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
19. 19.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h3>
21. 21.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h6>
22. 22.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) dark grey on white (d) white on dark blue
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
24. 24.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
27. 27.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
28. 28.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) white on dark blue (d) red on green
29. 29.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h2>
30. 30.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
31. 31.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
32. 32.🌗 Is dark grey on white 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: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
35. 35.Which colour pair is hard to read? (a) black on white (b) white on black (c) white on dark blue (d) yellow on white
36. 36.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h3>
37. 37.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
38. 38.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder

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