Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 470 · 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 red on green easy or hard to read? (a) hard to read (b) easy to read
2. 2.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) only red text (d) text stands out clearly
3. 3.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
5. 5.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
7. 7.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
8. 8.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) black on white (d) yellow on black
9. 9.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
11. 11.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
13. 13.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
14. 14.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
15. 15.Which colour pair is hard to read? (a) light grey on white (b) white on black (c) yellow on black (d) black on white
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
18. 18.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
20. 20.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
21. 21.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) yellow on black (d) red on green
22. 22.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
24. 24.Which colour pair is hard to read? (a) yellow on black (b) red on green (c) white on dark blue (d) white on black
25. 25.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) pink on red (d) white on black
26. 26.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
27. 27.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
28. 28.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h6>
29. 29.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) pink on red (d) white on black
30. 30.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
31. 31.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
32. 32.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h6>
33. 33.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h2>
34. 34.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h1> (d) <h4>
36. 36.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
38. 38.Which colour pair is easy to read? (a) yellow on white (b) dark grey on white (c) blue on purple (d) pink on red
39. 39.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder

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