Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 471 · 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: “use big enough text” helps everyone use the page. (a) False (b) True
2. 2.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
5. 5.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
6. 6.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
7. 7.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
8. 8.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
10. 10.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
11. 11.Which colour pair is easy to read? (a) red on green (b) black on white (c) pink on red (d) yellow on white
12. 12.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
13. 13.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) red on green (d) yellow on white
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
15. 15.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
16. 16.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
17. 17.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
18. 18.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
19. 19.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
21. 21.Which colour pair is hard to read? (a) black on white (b) white on black (c) dark grey on white (d) pink on red
22. 22.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) blue on purple (d) red on green
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
25. 25.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
27. 27.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
28. 28.Which colour pair is easy to read? (a) pink on red (b) white on dark blue (c) light grey on white (d) yellow on white
29. 29.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on white (d) white on black
30. 30.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) pink on red (d) yellow on black
31. 31.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
32. 32.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
33. 33.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h3>
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
36. 36.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h3> (d) <h5>
37. 37.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
38. 38.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h4> (d) <h3>
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
40. 40.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False

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