Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 428 · 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 easy to read? (a) yellow on white (b) yellow on black (c) red on green (d) light grey on white
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
3. 3.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
5. 5.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h4>
6. 6.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
8. 8.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
9. 9.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
10. 10.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
11. 11.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
12. 12.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
13. 13.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h1>
14. 14.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h4>
15. 15.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) red on green (d) blue on purple
16. 16.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
17. 17.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
18. 18.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) here (d) link
19. 19.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h3>
20. 20.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) light grey on white (d) dark grey on white
21. 21.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
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.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) pink on red (d) black on white
24. 24.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
26. 26.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
27. 27.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
28. 28.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
29. 29.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) white on dark blue (d) pink on red
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
34. 34.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h3> (d) <h4>
36. 36.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
38. 38.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
39. 39.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) white on black (d) yellow on white

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