Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 972 · 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 hard to read? (a) white on dark blue (b) yellow on black (c) black on white (d) pink on red
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
3. 3.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h4>
4. 4.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h5> (d) <h1>
6. 6.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
8. 8.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) yellow on white
10. 10.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only coders (d) only robots
12. 12.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
13. 13.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
14. 14.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
16. 16.Which colour pair is easy to read? (a) black on white (b) red on green (c) yellow on white (d) blue on purple
17. 17.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) black on white (d) blue on purple
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h6> (d) <h5>
20. 20.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
21. 21.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
23. 23.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
24. 24.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
25. 25.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
28. 28.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) blue on purple (d) white on black
29. 29.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
30. 30.True or false: “label every form box” makes the page harder to use. (a) True (b) False
31. 31.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h6> (d) <h4>
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
34. 34.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
35. 35.Which colour pair is easy to read? (a) pink on red (b) yellow on black (c) red on green (d) yellow on white
36. 36.Which colour pair is easy to read? (a) dark grey on white (b) yellow on white (c) light grey on white (d) red on green
37. 37.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
38. 38.True or false: “label every form box” helps everyone use the page. (a) True (b) False
39. 39.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder

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