Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 254 · 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) Read the fruit facts (b) click here (c) here (d) link
2. 2.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
3. 3.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) pink on red (d) black on white
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
6. 6.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
7. 7.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
8. 8.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
9. 9.Which colour pair is easy to read? (a) black on white (b) blue on purple (c) yellow on white (d) light grey on white
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
11. 11.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
12. 12.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) red on green (d) yellow on black
13. 13.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
14. 14.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h3> (d) <h5>
15. 15.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h3>
16. 16.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
18. 18.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
19. 19.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h2>
21. 21.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
23. 23.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
25. 25.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h5>
26. 26.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
27. 27.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
28. 28.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) white on dark blue (d) light grey on white
30. 30.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
31. 31.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
32. 32.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
33. 33.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
34. 34.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
37. 37.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
40. 40.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read

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