Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 516 · 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 link text is clearest? (a) here (b) link (c) Read the fruit facts (d) click here
2. 2.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
3. 3.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
4. 4.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
5. 5.Which colour pair is hard to read? (a) black on white (b) light grey on white (c) white on dark blue (d) dark grey on white
6. 6.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h3>
7. 7.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
8. 8.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
9. 9.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
11. 11.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
12. 12.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
13. 13.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
15. 15.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
18. 18.Which colour pair is hard to read? (a) red on green (b) white on black (c) black on white (d) yellow on black
19. 19.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
20. 20.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) light grey on white (d) blue on purple
21. 21.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
22. 22.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
23. 23.Which colour pair is easy to read? (a) red on green (b) yellow on black (c) light grey on white (d) pink on red
24. 24.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
25. 25.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h2> (d) <h1>
26. 26.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
27. 27.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
29. 29.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) dark grey on white (d) yellow on black
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
31. 31.True or false: “label every form box” makes the page harder to use. (a) False (b) True
32. 32.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
33. 33.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h6>
34. 34.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
35. 35.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
36. 36.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
37. 37.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
38. 38.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on white (d) yellow on black
39. 39.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h4>
40. 40.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) black on white (d) red on green

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