Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 468 · 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 red on green easy or hard to read? (a) hard to read (b) easy to read
2. 2.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) dark grey on white (d) yellow on white
3. 3.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h4> (d) <h2>
4. 4.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
6. 6.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
7. 7.Which colour pair is easy to read? (a) black on white (b) pink on red (c) red on green (d) light grey on white
8. 8.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
9. 9.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) yellow on black
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
11. 11.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
12. 12.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) pink on red
13. 13.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) here (d) link
14. 14.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
15. 15.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
17. 17.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
18. 18.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h6>
19. 19.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h3> (d) <h4>
21. 21.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
22. 22.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) dark grey on white (d) blue on purple
23. 23.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
24. 24.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h2> (d) <h1>
25. 25.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
26. 26.Which colour pair is easy to read? (a) yellow on white (b) pink on red (c) blue on purple (d) white on black
27. 27.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) dark grey on white (d) black on white
28. 28.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
31. 31.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) No (b) Yes
34. 34.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
36. 36.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
37. 37.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
38. 38.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) black on white (d) white on dark blue
39. 39.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h2> (d) <h3>
40. 40.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read

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