Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 295 · 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 easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) white on black
2. 2.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
3. 3.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
4. 4.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
6. 6.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) no colours at all (d) text stands out clearly
7. 7.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) red on green
8. 8.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h3>
9. 9.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) light grey on white (d) yellow on white
10. 10.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
11. 11.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
12. 12.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
13. 13.True or false: “label every form box” helps everyone use the page. (a) False (b) True
14. 14.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
15. 15.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) black on white (d) yellow on white
16. 16.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
17. 17.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) white on black (d) black on white
18. 18.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
19. 19.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
20. 20.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
22. 22.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
23. 23.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h2>
25. 25.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
26. 26.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
27. 27.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) only coders (d) people who are blind
28. 28.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h4>
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
32. 32.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) blue on purple (d) yellow on black
33. 33.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
34. 34.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
36. 36.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
37. 37.True or false: “label every form box” makes the page harder to use. (a) False (b) True
38. 38.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
40. 40.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) yellow on black (d) yellow on white

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