Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 104 · 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.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
3. 3.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h3> (d) <h4>
4. 4.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) blue on purple (d) white on black
5. 5.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) red on green (d) yellow on white
6. 6.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
7. 7.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h3> (d) <h2>
8. 8.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) yellow on black (d) white on black
10. 10.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
12. 12.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
13. 13.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
14. 14.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
16. 16.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
17. 17.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) blue on purple (d) light grey on white
18. 18.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
20. 20.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h4> (d) <h3>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
24. 24.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
26. 26.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) white on black (d) dark grey on white
27. 27.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) many bright colours (d) text stands out clearly
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
32. 32.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h6>
33. 33.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) blue on purple (d) pink on red
34. 34.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) white on dark blue (d) dark grey on white
36. 36.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
37. 37.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
38. 38.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No

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