Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 225 · 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) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
2. 2.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
3. 3.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) dark grey on white (d) yellow on white
4. 4.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
5. 5.True or false: “label every form box” makes the page harder to use. (a) True (b) False
6. 6.True or false: “label every form box” helps everyone use the page. (a) True (b) False
7. 7.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
9. 9.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
10. 10.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
12. 12.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) blue on purple (d) light grey on white
13. 13.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) white on black (d) light grey on white
14. 14.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h4>
15. 15.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h6>
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
18. 18.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
21. 21.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
23. 23.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h3>
27. 27.🌗 Is white on black 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) dark grey on white (c) pink on red (d) red on green
29. 29.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
30. 30.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on dark blue (d) blue on purple
32. 32.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
34. 34.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
36. 36.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
38. 38.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.Which colour pair is hard to read? (a) pink on red (b) black on white (c) white on dark blue (d) yellow on black
40. 40.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) pink on red (d) white on dark blue

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