Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 491 · 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 hard to read? (a) black on white (b) white on dark blue (c) blue on purple (d) dark grey on white
2. 2.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
4. 4.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) no colours at all (d) text stands out clearly
5. 5.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h5>
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
7. 7.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
8. 8.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h6>
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
10. 10.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
12. 12.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) pink on red (d) black on white
13. 13.Which colour pair is easy to read? (a) red on green (b) pink on red (c) dark grey on white (d) light grey on white
14. 14.True or false: “label every form box” helps everyone use the page. (a) False (b) True
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
16. 16.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
17. 17.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
18. 18.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
19. 19.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
20. 20.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h4>
21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
22. 22.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
23. 23.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
24. 24.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.True or false: “label every form box” makes the page harder to use. (a) False (b) True
27. 27.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
29. 29.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
30. 30.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h6> (d) <h3>
32. 32.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
33. 33.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
36. 36.Which colour pair is hard to read? (a) black on white (b) white on black (c) dark grey on white (d) yellow on white
37. 37.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
38. 38.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
39. 39.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) pink on red (d) red on green
40. 40.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone

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