Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 201 · 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 link text is clearest? (a) Read the fruit facts (b) link (c) here (d) click here
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h2> (d) <h4>
4. 4.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
5. 5.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
6. 6.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
7. 7.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h3>
8. 8.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h6>
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
11. 11.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
12. 12.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) light grey on white
13. 13.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
14. 14.Which colour pair is easy to read? (a) white on dark blue (b) light grey on white (c) yellow on white (d) blue on purple
15. 15.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
18. 18.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
19. 19.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h4> (d) <h3>
21. 21.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) pink on red (d) dark grey on white
22. 22.Which colour pair is hard to read? (a) black on white (b) white on black (c) red on green (d) white on dark blue
23. 23.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
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.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
27. 27.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) yellow on black (d) black on white
28. 28.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
29. 29.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
33. 33.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) black on white (d) blue on purple
34. 34.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h4>
35. 35.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) yellow on black (d) red on green
36. 36.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
38. 38.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
39. 39.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
40. 40.True or false: “use headings in order” makes the page harder to use. (a) True (b) False

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