Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 461 · 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 yellow on black easy or hard to read? (a) easy to read (b) hard to read
2. 2.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
4. 4.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
5. 5.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) black on white (d) light grey on white
6. 6.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) no colours at all (d) text stands out clearly
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
8. 8.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
9. 9.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on white (d) white on black
10. 10.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
11. 11.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) Yes (b) No
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h5>
14. 14.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h3> (d) <h5>
15. 15.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
17. 17.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
20. 20.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
21. 21.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
23. 23.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) light grey on white (d) red on green
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
25. 25.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h5> (d) <h2>
26. 26.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h6>
27. 27.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
28. 28.True or false: “label every form box” makes the page harder to use. (a) True (b) False
29. 29.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) pink on red (d) dark grey on white
30. 30.Which colour pair is easy to read? (a) pink on red (b) black on white (c) yellow on white (d) blue on purple
31. 31.♿ Which link text is clearest? (a) here (b) click here (c) link (d) Read the fruit facts
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) No (b) Yes
33. 33.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
34. 34.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
35. 35.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) white on dark blue (d) red on green
36. 36.Which colour pair is easy to read? (a) pink on red (b) red on green (c) white on dark blue (d) yellow on white
37. 37.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
39. 39.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder

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