Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 704 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
2. 2.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
3. 3.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
4. 4.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
5. 5.Which colour pair is easy to read? (a) yellow on black (b) pink on red (c) light grey on white (d) yellow on white
6. 6.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
7. 7.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
8. 8.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
9. 9.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
10. 10.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) here (d) link
11. 11.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) black on white (d) pink on red
12. 12.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) black on white
13. 13.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
14. 14.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
16. 16.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) red on green (d) pink on red
17. 17.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h3> (d) <h4>
18. 18.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on white (d) white on black
19. 19.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
20. 20.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) yellow on black (d) white on black
21. 21.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
22. 22.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
24. 24.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
25. 25.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
26. 26.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
27. 27.Which colour pair is hard to read? (a) black on white (b) blue on purple (c) white on black (d) white on dark blue
28. 28.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
30. 30.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h6>
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h6> (d) <h1>
33. 33.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
34. 34.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
35. 35.True or false: “label every form box” helps everyone use the page. (a) True (b) False
36. 36.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
39. 39.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h5> (d) <h1>
40. 40.True or false: “use big enough text” helps everyone use the page. (a) False (b) True

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