Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 223 · 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 blue on purple easy or hard to read? (a) hard to read (b) easy to read
2. 2.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
5. 5.Which colour pair is hard to read? (a) yellow on black (b) pink on red (c) white on black (d) black on white
6. 6.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
7. 7.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
9. 9.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
10. 10.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
11. 11.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) light grey on white (d) dark grey on white
12. 12.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
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.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
15. 15.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
17. 17.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) blue on purple
18. 18.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
19. 19.True or false: “label every form box” makes the page harder to use. (a) False (b) True
20. 20.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
21. 21.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h4> (d) <h3>
22. 22.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h6> (d) <h4>
25. 25.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
26. 26.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) white on black (d) yellow on black
27. 27.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
28. 28.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
29. 29.Which colour pair is easy to read? (a) white on black (b) pink on red (c) yellow on white (d) blue on purple
30. 30.Which colour pair is hard to read? (a) white on black (b) black on white (c) white on dark blue (d) yellow on white
31. 31.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
32. 32.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
34. 34.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) yellow on white (d) light grey on white
35. 35.Which colour pair is easy to read? (a) pink on red (b) red on green (c) blue on purple (d) black on white
36. 36.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h6> (d) <h2>
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
38. 38.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
39. 39.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h3> (a) Yes (b) No

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