Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 757 · 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 yellow on black easy or hard to read? (a) hard to read (b) easy to read
2. 2.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) yellow on white (d) black on white
3. 3.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
4. 4.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on black (d) light grey on white
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is hard to read? (a) black on white (b) white on black (c) blue on purple (d) dark grey on white
9. 9.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
11. 11.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h6>
12. 12.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
13. 13.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
14. 14.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
15. 15.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
16. 16.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
17. 17.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
19. 19.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
21. 21.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) yellow on black (d) light grey on white
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
24. 24.Which colour pair is easy to read? (a) black on white (b) red on green (c) pink on red (d) yellow on white
25. 25.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
26. 26.Which colour pair is hard to read? (a) dark grey on white (b) pink on red (c) white on dark blue (d) white on black
27. 27.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
28. 28.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
29. 29.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h6>
30. 30.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
31. 31.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h3> (d) <h6>
33. 33.True or false: “label every form box” helps everyone use the page. (a) False (b) True
34. 34.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) yellow on white (d) white on black
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
36. 36.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
37. 37.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) yellow on black (d) red on green
38. 38.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
40. 40.True or false: “use headings in order” makes the page harder to use. (a) True (b) False

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