Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 578 · 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) pink on red (b) blue on purple (c) yellow on white (d) yellow on black
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
3. 3.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
4. 4.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
5. 5.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
6. 6.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
8. 8.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
9. 9.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
10. 10.True or false: “label every form box” makes the page harder to use. (a) True (b) False
11. 11.♿ Who uses a screen reader? (a) only coders (b) only robots (c) people who are blind (d) only teachers
12. 12.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
13. 13.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
14. 14.Which colour pair is easy to read? (a) pink on red (b) red on green (c) white on dark blue (d) yellow on white
15. 15.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
16. 16.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h4>
18. 18.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
19. 19.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) yellow on black (d) black on white
20. 20.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
21. 21.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
22. 22.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h1>
25. 25.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ 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>
27. 27.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
28. 28.True or false: “label every form box” helps everyone use the page. (a) True (b) False
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
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.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h5>
32. 32.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
33. 33.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
35. 35.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) light grey on white (d) yellow on white
36. 36.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
37. 37.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
38. 38.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) blue on purple

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