Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 145 · 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 easy to read? (a) light grey on white (b) pink on red (c) blue on purple (d) white on black
2. 2.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
4. 4.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
5. 5.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) black on white (d) pink on red
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
8. 8.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h1>
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h1>
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
11. 11.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
12. 12.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
13. 13.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
14. 14.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
15. 15.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h6>
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
19. 19.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) click here (d) link
21. 21.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
22. 22.True or false: “label every form box” makes the page harder to use. (a) False (b) True
23. 23.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) blue on purple (d) black on white
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
27. 27.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) yellow on white (d) dark grey on white
28. 28.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
29. 29.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
30. 30.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h5> (d) <h2>
32. 32.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
34. 34.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
37. 37.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
38. 38.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
39. 39.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No

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