Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 449 · 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: “use big enough text” helps everyone use the page. (a) True (b) False
2. 2.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
3. 3.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
5. 5.Which colour pair is easy to read? (a) pink on red (b) dark grey on white (c) yellow on white (d) blue on purple
6. 6.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
7. 7.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
8. 8.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
10. 10.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h6>
12. 12.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) yellow on white (d) white on black
13. 13.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
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: images with no alt? (a) makes it harder (b) helps everyone
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h3> (d) <h1>
17. 17.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
18. 18.Which colour pair is hard to read? (a) white on black (b) yellow on black (c) black on white (d) blue on purple
19. 19.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
20. 20.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
21. 21.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) pink on red (d) yellow on black
22. 22.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
23. 23.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
24. 24.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
25. 25.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
26. 26.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
27. 27.Which colour pair is easy to read? (a) white on dark blue (b) red on green (c) yellow on white (d) blue on purple
28. 28.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
29. 29.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h1>
30. 30.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
31. 31.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
32. 32.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) black on white
33. 33.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
34. 34.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is hard to read? (a) pink on red (b) white on black (c) dark grey on white (d) white on dark blue
36. 36.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
38. 38.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) yellow on white (d) white on black
39. 39.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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