Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 270 · 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 white on dark blue easy or hard to read? (a) hard to read (b) easy to read
2. 2.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
3. 3.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
4. 4.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.True or false: “link text “click here”” 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) <h6> (b) <h2> (c) <h3> (d) <h1>
7. 7.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
8. 8.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
9. 9.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) pink on red (d) dark grey on white
10. 10.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
12. 12.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) dark grey on white (d) white on dark blue
13. 13.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
14. 14.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
16. 16.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
18. 18.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h2> (d) <h5>
20. 20.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
21. 21.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
23. 23.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
24. 24.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
25. 25.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
27. 27.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
28. 28.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h4>
29. 29.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h4>
30. 30.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) white on dark blue (d) light grey on white
31. 31.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
33. 33.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
34. 34.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h4>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
36. 36.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
38. 38.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
39. 39.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
40. 40.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False

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