Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 160 · 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.Which colour pair is hard to read? (a) yellow on white (b) yellow on black (c) white on black (d) dark grey on white
2. 2.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
3. 3.True or false: “label every form box” helps everyone use the page. (a) True (b) False
4. 4.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
5. 5.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) yellow on white (d) white on black
6. 6.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
7. 7.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h3>
10. 10.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
11. 11.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
13. 13.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
14. 14.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
15. 15.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) black on white
16. 16.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
17. 17.Which colour pair is hard to read? (a) yellow on black (b) white on dark blue (c) dark grey on white (d) blue on purple
18. 18.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
19. 19.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
20. 20.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
21. 21.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
22. 22.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
23. 23.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h5> (d) <h3>
24. 24.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
25. 25.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
26. 26.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
27. 27.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
28. 28.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
32. 32.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
33. 33.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) white on dark blue (d) blue on purple
34. 34.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) black on white (d) dark grey on white
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h3>
36. 36.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
38. 38.Which colour pair is easy to read? (a) dark grey on white (b) yellow on white (c) pink on red (d) blue on purple
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
40. 40.True or false: “label every form box” makes the page harder to use. (a) True (b) False

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