Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 300 · 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.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
4. 4.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
5. 5.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) white on dark blue (d) blue on purple
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
7. 7.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
9. 9.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) yellow on black (d) blue on purple
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.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
12. 12.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
13. 13.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h4> (d) <h2>
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
16. 16.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
17. 17.Which colour pair is easy to read? (a) red on green (b) pink on red (c) black on white (d) yellow on white
18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h3>
19. 19.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
20. 20.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h4>
21. 21.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
22. 22.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.True or false: “label every form box” makes the page harder to use. (a) False (b) True
24. 24.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) black on white
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
26. 26.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
27. 27.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
28. 28.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) Yes (b) No
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
31. 31.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
32. 32.Which colour pair is hard to read? (a) black on white (b) pink on red (c) white on dark blue (d) dark grey on white
33. 33.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
34. 34.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) yellow on white
35. 35.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) pink on red (d) yellow on white
36. 36.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (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.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone

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