Web Worksheet: Accessibility Basics

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

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