Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 185 · 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) link (c) click here (d) here
2. 2.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
3. 3.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) dark grey on white (d) white on black
4. 4.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
5. 5.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
6. 6.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
7. 7.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h6> (d) <h2>
8. 8.Which colour pair is hard to read? (a) yellow on black (b) yellow on white (c) dark grey on white (d) black on white
9. 9.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
12. 12.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
13. 13.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
14. 14.Which colour pair is hard to read? (a) white on dark blue (b) blue on purple (c) black on white (d) dark grey on white
15. 15.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h4>
16. 16.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h3>
17. 17.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
18. 18.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
19. 19.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
20. 20.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) yellow on white (d) blue on purple
21. 21.Which colour pair is easy to read? (a) yellow on black (b) pink on red (c) red on green (d) blue on purple
22. 22.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
23. 23.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
25. 25.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
26. 26.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
27. 27.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
28. 28.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h2>
29. 29.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h4> (d) <h5>
30. 30.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
33. 33.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) black on white (d) yellow on white
34. 34.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
36. 36.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
37. 37.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
40. 40.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read

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