Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 75 · 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) people who are blind (b) only coders (c) only robots (d) only teachers
2. 2.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) dark grey on white (d) red on green
3. 3.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h1> (d) <h3>
4. 4.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) light grey on white (d) white on dark blue
5. 5.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
8. 8.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
10. 10.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
11. 11.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
13. 13.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h1> (d) <h4>
14. 14.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
15. 15.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
16. 16.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) pink on red (d) yellow on black
17. 17.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
18. 18.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) dark grey on white (d) black on white
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
20. 20.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
21. 21.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
23. 23.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
24. 24.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on black (d) yellow on white
26. 26.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
27. 27.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
29. 29.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h3> (d) <h6>
32. 32.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h5>
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
34. 34.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
36. 36.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) yellow on black (d) blue on purple
37. 37.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
38. 38.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
39. 39.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “use headings in order” makes the page harder to use. (a) True (b) False

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