Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 274 · 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 this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
2. 2.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
3. 3.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
4. 4.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) light grey on white (d) dark grey on white
5. 5.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
6. 6.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) black on white (d) blue on purple
7. 7.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
8. 8.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
10. 10.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
13. 13.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
15. 15.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
16. 16.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
17. 17.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
18. 18.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
19. 19.Which colour pair is easy to read? (a) red on green (b) pink on red (c) white on black (d) blue on purple
20. 20.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h6>
21. 21.True or false: “label every form box” makes the page harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
23. 23.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) black on white (d) white on dark blue
25. 25.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
27. 27.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
28. 28.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
29. 29.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h1> (d) <h4>
30. 30.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) red on green (d) white on black
32. 32.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
35. 35.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
36. 36.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
37. 37.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
39. 39.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h5> (d) <h6>
40. 40.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) pink on red (d) red on green

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