Web Worksheet: Accessibility Basics

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

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