Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 608 · 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.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
2. 2.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
4. 4.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
5. 5.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
6. 6.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
7. 7.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
8. 8.Which colour pair is hard to read? (a) white on black (b) red on green (c) white on dark blue (d) black on white
9. 9.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
10. 10.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h2>
11. 11.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
12. 12.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h4>
13. 13.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h3>
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
16. 16.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
17. 17.Which colour pair is hard to read? (a) dark grey on white (b) pink on red (c) black on white (d) white on dark blue
18. 18.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) yellow on white (d) red on green
19. 19.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h5>
22. 22.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
23. 23.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) dark grey on white (d) black on white
24. 24.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
25. 25.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
26. 26.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
27. 27.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) pink on red (d) white on black
28. 28.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
29. 29.♿ Which link text is clearest? (a) here (b) click here (c) Read the fruit facts (d) link
30. 30.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) white on dark blue (d) white on black
31. 31.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
32. 32.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) yellow on black (d) light grey on white
33. 33.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
35. 35.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
37. 37.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) black on white (d) light grey on white
38. 38.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) light grey on white (d) red on green
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes

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