Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 349 · 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.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
2. 2.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
3. 3.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
4. 4.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
5. 5.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on dark blue (d) white on black
6. 6.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
7. 7.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h6>
8. 8.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
9. 9.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
10. 10.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h3>
12. 12.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) pink on red (d) yellow on white
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
14. 14.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No
16. 16.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
17. 17.Which colour pair is easy to read? (a) white on dark blue (b) red on green (c) light grey on white (d) yellow on white
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
19. 19.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
20. 20.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
22. 22.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
23. 23.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
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.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
26. 26.True or false: “label every form box” helps everyone use the page. (a) False (b) True
27. 27.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
28. 28.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) white on black (d) red on green
29. 29.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
30. 30.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
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.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
33. 33.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
34. 34.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) black on white (d) blue on purple
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
36. 36.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) yellow on black (d) blue on purple
37. 37.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
38. 38.Which colour pair is hard to read? (a) pink on red (b) black on white (c) yellow on black (d) dark grey on white
39. 39.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) light grey on white (d) dark grey on white
40. 40.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h3> (d) <h1>

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