Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 136 · 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) easy to read (b) hard to read
2. 2.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
3. 3.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
4. 4.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) red on green (d) white on black
5. 5.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
7. 7.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) dark grey on white (d) light grey on white
8. 8.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
10. 10.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) here (d) click here
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
13. 13.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
14. 14.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
15. 15.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h3>
16. 16.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
17. 17.True or false: “label every form box” helps everyone use the page. (a) True (b) False
18. 18.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) yellow on white (d) light grey on white
19. 19.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
20. 20.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) blue on purple (d) black on white
21. 21.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) many bright colours (d) only red text
22. 22.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
27. 27.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h4>
28. 28.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
29. 29.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is easy to read? (a) red on green (b) pink on red (c) white on dark blue (d) light grey on white
32. 32.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) blue on purple (d) light grey on white
33. 33.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
34. 34.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
35. 35.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h2>
36. 36.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
37. 37.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) black on white (d) pink on red
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
40. 40.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read

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