Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 634 · 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 light grey on white easy or hard to read? (a) easy to read (b) hard to read
2. 2.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
3. 3.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
4. 4.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
5. 5.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
6. 6.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) pink on red (d) black on white
7. 7.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
9. 9.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
12. 12.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
13. 13.Which colour pair is easy to read? (a) yellow on black (b) red on green (c) pink on red (d) yellow on white
14. 14.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h6>
15. 15.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
18. 18.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h5>
19. 19.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
20. 20.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) black on white (d) pink on red
21. 21.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
22. 22.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
23. 23.True or false: “label every form box” helps everyone use the page. (a) False (b) True
24. 24.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) dark grey on white (d) yellow on black
25. 25.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
27. 27.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
29. 29.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) white on dark blue (d) light grey on white
30. 30.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) blue on purple (d) yellow on white
31. 31.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
32. 32.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) yellow on black (d) light grey on white
33. 33.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h4>
34. 34.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
36. 36.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
37. 37.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
38. 38.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
39. 39.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
40. 40.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) blue on purple (d) yellow on black

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