Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 917 · 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: “link text “click here”” helps everyone use the page. (a) False (b) True
2. 2.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
3. 3.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
4. 4.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
5. 5.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
7. 7.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h2> (d) <h4>
8. 8.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h4>
9. 9.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
11. 11.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
12. 12.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
13. 13.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
15. 15.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
18. 18.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
20. 20.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
21. 21.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
22. 22.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) blue on purple (d) red on green
26. 26.Which colour pair is hard to read? (a) black on white (b) white on black (c) dark grey on white (d) light grey on white
27. 27.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h2>
28. 28.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
29. 29.Which colour pair is easy to read? (a) pink on red (b) black on white (c) red on green (d) light grey on white
30. 30.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on white (d) dark grey on white
31. 31.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
33. 33.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
36. 36.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
37. 37.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) light grey on white (d) yellow on black
38. 38.True or false: “label every form box” helps everyone use the page. (a) False (b) True
39. 39.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) dark grey on white (d) yellow on black
40. 40.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone

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