Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 392 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
2. 2.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
3. 3.True or false: “label every form box” makes the page harder to use. (a) False (b) True
4. 4.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
5. 5.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) white on dark blue (d) black on white
6. 6.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h2>
7. 7.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h5>
9. 9.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h1>
10. 10.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
11. 11.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) white on black (d) red on green
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
14. 14.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
15. 15.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
16. 16.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
17. 17.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) no colours at all (d) many bright colours
18. 18.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h5> (d) <h1>
19. 19.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
20. 20.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h3> (d) <h4>
23. 23.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) white on dark blue (d) pink on red
24. 24.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
25. 25.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) light grey on white (d) yellow on black
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
28. 28.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
33. 33.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
35. 35.Which colour pair is hard to read? (a) pink on red (b) white on black (c) black on white (d) white on dark blue
36. 36.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
37. 37.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
38. 38.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
39. 39.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “use big enough text” makes the page harder to use. (a) True (b) False

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