Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 150 · 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.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
3. 3.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h5>
4. 4.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
6. 6.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
8. 8.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) dark grey on white (d) pink on red
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
10. 10.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) red on green (d) yellow on white
11. 11.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
12. 12.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) black on white (d) pink on red
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h2> (d) <h4>
14. 14.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
16. 16.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
17. 17.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
18. 18.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
20. 20.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) black on white (d) yellow on white
21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
22. 22.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
23. 23.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) black on white (d) yellow on black
24. 24.True or false: “label every form box” helps everyone use the page. (a) False (b) True
25. 25.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
28. 28.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
29. 29.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h6>
30. 30.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
31. 31.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) yellow on black (d) black on white
32. 32.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
33. 33.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h5>
34. 34.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
35. 35.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) light grey on white (d) white on dark blue
36. 36.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
37. 37.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
40. 40.True or false: “images with no alt” makes the page harder to use. (a) False (b) True

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