Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 811 · 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.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h5> (d) <h2>
2. 2.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
3. 3.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
4. 4.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
5. 5.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
6. 6.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) white on black (d) yellow on black
7. 7.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) light grey on white (d) red on green
8. 8.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
9. 9.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
10. 10.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
12. 12.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) red on green (d) dark grey on white
13. 13.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
14. 14.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h6>
16. 16.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
17. 17.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
18. 18.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
19. 19.True or false: “label every form box” makes the page harder to use. (a) False (b) True
20. 20.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
21. 21.Which colour pair is hard to read? (a) black on white (b) red on green (c) yellow on black (d) white on dark blue
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.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
24. 24.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) red on green (d) yellow on white
26. 26.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h5> (d) <h2>
27. 27.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) dark grey on white (d) yellow on white
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
29. 29.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) red on green (d) white on black
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
32. 32.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) Yes (b) No
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.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
36. 36.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
37. 37.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) No (b) Yes
39. 39.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes

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