Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 948 · 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: “add alt text to images” makes the page harder to use. (a) False (b) True
2. 2.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
3. 3.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
4. 4.Which colour pair is easy to read? (a) yellow on black (b) pink on red (c) red on green (d) yellow on white
5. 5.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
6. 6.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
7. 7.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.Which colour pair is easy to read? (a) white on dark blue (b) pink on red (c) yellow on white (d) light grey on white
9. 9.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
12. 12.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) white on black (d) black on white
13. 13.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) dark grey on white (d) black on white
14. 14.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) no colours at all (d) text stands out clearly
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
16. 16.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
19. 19.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h4> (d) <h6>
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
21. 21.Which colour pair is easy to read? (a) white on black (b) red on green (c) light grey on white (d) pink on red
22. 22.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
24. 24.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) light grey on white (d) red on green
25. 25.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
27. 27.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h4> (d) <h2>
28. 28.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
31. 31.True or false: “label every form box” makes the page harder to use. (a) True (b) False
32. 32.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
33. 33.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
34. 34.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) black on white (d) dark grey on white
35. 35.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
37. 37.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
38. 38.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
40. 40.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read

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