Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 867 · 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.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
2. 2.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
3. 3.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
5. 5.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
6. 6.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) white on dark blue (d) red on green
7. 7.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on white (d) white on dark blue
8. 8.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h2> (d) <h5>
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
11. 11.Which colour pair is hard to read? (a) dark grey on white (b) blue on purple (c) white on dark blue (d) black on white
12. 12.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h6> (d) <h4>
13. 13.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
15. 15.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
16. 16.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
17. 17.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) light grey on white (d) black on white
18. 18.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
21. 21.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
24. 24.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
25. 25.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h4>
27. 27.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
28. 28.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) white on black (d) pink on red
29. 29.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
30. 30.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
31. 31.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
32. 32.Which colour pair is hard to read? (a) pink on red (b) white on black (c) white on dark blue (d) dark grey on white
33. 33.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
36. 36.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
38. 38.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h1> (d) <h4>
39. 39.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
40. 40.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) black on white (d) yellow on white

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