Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 573 · 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 this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
2. 2.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
3. 3.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
4. 4.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
6. 6.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
7. 7.Which colour pair is easy to read? (a) yellow on white (b) blue on purple (c) red on green (d) dark grey on white
8. 8.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only coders (d) only teachers
9. 9.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h2>
10. 10.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
11. 11.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) text stands out clearly (d) no colours at all
12. 12.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
13. 13.♿ Which link text is clearest? (a) link (b) click here (c) here (d) Read the fruit facts
14. 14.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h3> (d) <h1>
15. 15.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
16. 16.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) white on dark blue (d) blue on purple
17. 17.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
18. 18.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
20. 20.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h1> (d) <h3>
22. 22.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
23. 23.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
24. 24.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
25. 25.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) yellow on white (d) white on dark blue
26. 26.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h4>
28. 28.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
31. 31.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
33. 33.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) red on green (d) white on black
34. 34.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
35. 35.Which colour pair is easy to read? (a) blue on purple (b) black on white (c) yellow on white (d) light grey on white
36. 36.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
37. 37.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) Yes (b) No
40. 40.True or false: “use headings in order” makes the page harder to use. (a) False (b) True

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