Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 406 · 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.♿ What does good colour contrast mean? (a) text stands out clearly (b) many bright colours (c) only red text (d) no colours at all
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
3. 3.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) light grey on white (d) white on dark blue
4. 4.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
5. 5.Which colour pair is hard to read? (a) white on black (b) pink on red (c) white on dark blue (d) black on white
6. 6.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
7. 7.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
8. 8.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) pink on red (d) light grey on white
10. 10.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) black on white (d) dark grey on white
11. 11.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
12. 12.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
13. 13.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
14. 14.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
16. 16.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
20. 20.Which colour pair is hard to read? (a) white on dark blue (b) light grey on white (c) white on black (d) yellow on black
21. 21.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h5> (d) <h6>
23. 23.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
26. 26.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
27. 27.True or false: “label every form box” helps everyone use the page. (a) False (b) True
28. 28.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
29. 29.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
30. 30.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
32. 32.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h4> (d) <h1>
33. 33.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) yellow on white (d) red on green
34. 34.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h6>
35. 35.Which colour pair is easy to read? (a) dark grey on white (b) yellow on white (c) red on green (d) blue on purple
36. 36.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
38. 38.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes

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