Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 986 · 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) yellow on white (c) white on dark blue (d) red on green
2. 2.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) people who are blind (d) only robots
3. 3.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
4. 4.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
5. 5.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
6. 6.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
7. 7.Which colour pair is hard to read? (a) white on black (b) dark grey on white (c) black on white (d) light grey on white
8. 8.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
10. 10.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h3> (d) <h1>
11. 11.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h1>
13. 13.Which colour pair is hard to read? (a) yellow on white (b) black on white (c) white on dark blue (d) yellow on black
14. 14.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
17. 17.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
18. 18.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
20. 20.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
22. 22.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) blue on purple (d) dark grey on white
23. 23.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) pink on red (d) white on black
25. 25.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
26. 26.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h3> (d) <h2>
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
28. 28.Which colour pair is hard to read? (a) black on white (b) red on green (c) white on black (d) yellow on black
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
30. 30.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
31. 31.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark grey on white (d) pink on red
32. 32.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
34. 34.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h1> (d) <h5>
35. 35.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
36. 36.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
37. 37.True or false: “label every form box” helps everyone use the page. (a) False (b) True
38. 38.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
39. 39.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
40. 40.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read

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