Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 210 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
2. 2.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
3. 3.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
5. 5.True or false: “label every form box” helps everyone use the page. (a) True (b) False
6. 6.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h2> (d) <h5>
7. 7.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
9. 9.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
10. 10.Which colour pair is hard to read? (a) dark grey on white (b) light grey on white (c) black on white (d) white on dark blue
11. 11.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) white on dark blue (d) black on white
12. 12.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h1>
13. 13.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
14. 14.🌗 Is yellow on black 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: colour as the only clue? (a) helps everyone (b) makes it harder
16. 16.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
17. 17.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
18. 18.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h5>
21. 21.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
22. 22.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h1>
23. 23.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) red on green (d) black on white
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
26. 26.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
27. 27.Which colour pair is easy to read? (a) pink on red (b) red on green (c) white on black (d) yellow on white
28. 28.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
30. 30.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
31. 31.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
33. 33.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on black (d) red on green
34. 34.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
35. 35.Which colour pair is easy to read? (a) pink on red (b) white on dark blue (c) blue on purple (d) yellow on white
36. 36.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
37. 37.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
39. 39.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
40. 40.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True

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