Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 166 · 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.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
2. 2.♿ 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>
3. 3.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
4. 4.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
6. 6.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
9. 9.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) No (b) Yes
11. 11.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) people who are blind (d) only coders
12. 12.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
13. 13.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
14. 14.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard 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.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h1>
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h1> (d) <h6>
18. 18.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) yellow on black (d) dark grey on white
19. 19.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) only red text (d) no colours at all
20. 20.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) yellow on white (d) black on white
21. 21.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
22. 22.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
24. 24.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h2>
25. 25.Which colour pair is easy to read? (a) blue on purple (b) white on black (c) light grey on white (d) red on green
26. 26.True or false: “label every form box” makes the page harder to use. (a) False (b) True
27. 27.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
30. 30.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
31. 31.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) pink on red (d) dark grey on white
32. 32.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
33. 33.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) light grey on white (d) dark grey on white
34. 34.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
35. 35.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
36. 36.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) dark grey on white (d) red on green
37. 37.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
38. 38.Which colour pair is easy to read? (a) blue on purple (b) yellow on black (c) red on green (d) light grey on white
39. 39.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
40. 40.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read

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