Web Worksheet: Accessibility Basics

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

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