Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 656 · 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) link (b) Read the fruit facts (c) click here (d) here
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
3. 3.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
4. 4.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
5. 5.Which colour pair is hard to read? (a) blue on purple (b) white on black (c) dark grey on white (d) black on white
6. 6.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
9. 9.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
12. 12.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
14. 14.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) white on black
16. 16.True or false: “label every form box” makes the page harder to use. (a) True (b) False
17. 17.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
18. 18.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) red on green (d) yellow on white
20. 20.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h3>
21. 21.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) black on white (d) light grey on white
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
24. 24.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
25. 25.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) pink on red (d) black on white
26. 26.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
28. 28.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
29. 29.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
30. 30.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) dark grey on white (d) white on dark blue
31. 31.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
32. 32.Which colour pair is easy to read? (a) red on green (b) pink on red (c) white on dark blue (d) light grey on white
33. 33.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h2> (d) <h1>
34. 34.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h5> (d) <h4>
35. 35.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
36. 36.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
37. 37.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
38. 38.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
40. 40.Which colour pair is easy to read? (a) dark grey on white (b) blue on purple (c) pink on red (d) yellow on white

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