Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 273 · 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: “colour as the only clue” helps everyone use the page. (a) True (b) False
2. 2.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h5>
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
4. 4.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
5. 5.🌗 Is light grey 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.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
8. 8.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
9. 9.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h4>
11. 11.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
13. 13.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
14. 14.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) yellow on white (d) black on white
15. 15.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
16. 16.Which colour pair is easy to read? (a) black on white (b) yellow on white (c) light grey on white (d) blue on purple
17. 17.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h3> (d) <h5>
19. 19.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
21. 21.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
22. 22.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on black (d) blue on purple
26. 26.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) light grey on white (d) pink on red
27. 27.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
28. 28.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
29. 29.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
31. 31.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
33. 33.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
34. 34.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
37. 37.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
38. 38.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) pink on red (d) black on white
39. 39.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
40. 40.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) yellow on black (d) red on green

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