Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 930 · 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: “images with no alt” helps everyone use the page. (a) True (b) False
2. 2.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h3> (d) <h1>
3. 3.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
5. 5.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
7. 7.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h1>
8. 8.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) light grey on white (d) white on black
9. 9.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
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.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
16. 16.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h1>
17. 17.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) pink on red (d) dark grey on white
18. 18.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
19. 19.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
20. 20.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
21. 21.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
22. 22.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
25. 25.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) yellow on white (d) red on green
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
27. 27.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
28. 28.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h2> (d) <h3>
29. 29.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) black on white (d) red on green
30. 30.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
31. 31.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
32. 32.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
33. 33.Which colour pair is easy to read? (a) yellow on white (b) yellow on black (c) light grey on white (d) pink on red
34. 34.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) white on black (d) dark grey on white
35. 35.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) white on dark blue
36. 36.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
37. 37.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
39. 39.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
40. 40.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read

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