Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 624 · 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: “skipping heading levels” makes the page harder to use. (a) False (b) True
2. 2.True or false: “label every form box” helps everyone use the page. (a) True (b) False
3. 3.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h6>
5. 5.🌗 Is white on dark blue 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: tiny grey text? (a) helps everyone (b) makes it harder
7. 7.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
8. 8.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) no colours at all (d) text stands out clearly
9. 9.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) yellow on white (d) yellow on black
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) No (b) Yes
12. 12.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
13. 13.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
14. 14.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
15. 15.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
16. 16.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
17. 17.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) yellow on white (d) white on dark blue
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
21. 21.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
22. 22.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) red on green (d) light grey on white
23. 23.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
27. 27.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
28. 28.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
29. 29.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) blue on purple (d) dark grey on white
30. 30.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
31. 31.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
32. 32.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
33. 33.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
35. 35.Which colour pair is hard to read? (a) pink on red (b) white on black (c) dark grey on white (d) yellow on black
36. 36.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
37. 37.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
38. 38.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h3>
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone

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