Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 322 · 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.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h3> (d) <h5>
2. 2.Which colour pair is easy to read? (a) red on green (b) white on black (c) blue on purple (d) yellow on white
3. 3.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
5. 5.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h3> (d) <h1>
6. 6.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) black on white (d) blue on purple
7. 7.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) white on dark blue (d) light grey on white
8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h1>
9. 9.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
10. 10.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
11. 11.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) yellow on black
12. 12.Which colour pair is hard to read? (a) black on white (b) red on green (c) dark grey on white (d) white on dark blue
13. 13.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h6>
15. 15.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
18. 18.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
19. 19.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h6> (d) <h4>
20. 20.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
22. 22.Which colour pair is hard to read? (a) black on white (b) white on black (c) white on dark blue (d) yellow on white
23. 23.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
24. 24.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
25. 25.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
26. 26.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) light grey on white (d) yellow on black
27. 27.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
29. 29.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
31. 31.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
32. 32.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) blue on purple (d) black on white
33. 33.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
34. 34.True or false: “label every form box” helps everyone use the page. (a) False (b) True
35. 35.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
36. 36.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
37. 37.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) light grey on white (d) dark grey on white
38. 38.Which colour pair is hard to read? (a) pink on red (b) white on black (c) white on dark blue (d) dark grey on white
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
40. 40.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read

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