Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 279 · 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.Which colour pair is hard to read? (a) pink on red (b) dark grey on white (c) yellow on black (d) white on black
2. 2.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h1> (d) <h5>
3. 3.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
4. 4.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) pink on red (d) light grey on white
5. 5.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
7. 7.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
8. 8.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
9. 9.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h5> (d) <h4>
10. 10.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on dark blue (d) light grey on white
11. 11.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
12. 12.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
15. 15.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
16. 16.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
17. 17.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) light grey on white (d) yellow on white
18. 18.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
20. 20.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
21. 21.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
22. 22.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
23. 23.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.True or false: “label every form box” makes the page harder to use. (a) True (b) False
25. 25.Which colour pair is hard to read? (a) red on green (b) white on black (c) white on dark blue (d) black on white
26. 26.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
27. 27.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) white on black (d) white on dark blue
28. 28.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h5>
29. 29.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) blue on purple (d) yellow on black
31. 31.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h6>
33. 33.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
35. 35.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on white (d) white on black
36. 36.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
37. 37.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
39. 39.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
40. 40.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder

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