Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 1 · 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: “add alt text to images” helps everyone use the page. (a) False (b) True
2. 2.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
4. 4.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) black on white (d) yellow on white
5. 5.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
7. 7.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) black on white (d) dark grey on white
8. 8.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
9. 9.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h3>
10. 10.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h1>
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
13. 13.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h1>
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
15. 15.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h5>
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
17. 17.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
18. 18.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
20. 20.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
22. 22.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
23. 23.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
25. 25.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on black (d) red on green
26. 26.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
27. 27.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
28. 28.True or false: “label every form box” helps everyone use the page. (a) True (b) False
29. 29.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) yellow on white (d) white on black
30. 30.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
31. 31.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
32. 32.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
33. 33.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
35. 35.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) red on green (d) dark grey on white
36. 36.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h3>
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
39. 39.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) white on dark blue (d) light grey on white
40. 40.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read

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