Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 837 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
4. 4.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) pink on red (d) yellow on black
5. 5.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
6. 6.True or false: “label every form box” helps everyone use the page. (a) False (b) True
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
8. 8.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) blue on purple (d) black on white
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
10. 10.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
12. 12.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h2> (d) <h3>
13. 13.Which colour pair is easy to read? (a) red on green (b) pink on red (c) yellow on white (d) dark grey on white
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
15. 15.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ 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>
17. 17.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
20. 20.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
21. 21.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
22. 22.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
23. 23.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
24. 24.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
25. 25.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) light grey on white (d) red on green
26. 26.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
29. 29.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
30. 30.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
31. 31.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
32. 32.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
33. 33.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) light grey on white (d) white on black
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
35. 35.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
36. 36.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
37. 37.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) white on dark blue (d) red on green
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
40. 40.True or false: “use big enough text” helps everyone use the page. (a) False (b) True

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