Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 862 · 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) click here (b) Read the fruit facts (c) link (d) here
2. 2.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
3. 3.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) white on black (d) pink on red
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
5. 5.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h4> (d) <h5>
6. 6.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
7. 7.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
11. 11.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
12. 12.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
13. 13.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
14. 14.Which colour pair is hard to read? (a) white on black (b) red on green (c) yellow on black (d) black on white
15. 15.True or false: “label every form box” makes the page harder to use. (a) False (b) True
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h5>
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
19. 19.Which colour pair is easy to read? (a) pink on red (b) red on green (c) black on white (d) light grey on white
20. 20.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
21. 21.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
22. 22.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h3> (d) <h6>
24. 24.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
25. 25.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h1>
27. 27.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
28. 28.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on black (d) dark grey on white
29. 29.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
31. 31.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) dark grey on white (d) blue on purple
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.Which colour pair is easy to read? (a) red on green (b) pink on red (c) light grey on white (d) white on dark blue
34. 34.True or false: “label every form box” helps everyone use the page. (a) False (b) True
35. 35.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
36. 36.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
38. 38.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
40. 40.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) light grey on white

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