Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 215 · 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> → <h4> → <h5> (a) Yes (b) No
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
4. 4.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) link (d) click here
5. 5.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
6. 6.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
7. 7.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
8. 8.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
9. 9.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
10. 10.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
11. 11.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
13. 13.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) pink on red (d) yellow on black
14. 14.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
15. 15.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h5>
16. 16.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h4> (a) Yes (b) No
18. 18.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
19. 19.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) white on dark blue (d) red on green
20. 20.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
21. 21.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
22. 22.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h2> (d) <h6>
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
24. 24.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
25. 25.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h5>
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
27. 27.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
28. 28.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
29. 29.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
30. 30.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
31. 31.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) red on green (d) dark grey on white
32. 32.Which colour pair is hard to read? (a) black on white (b) dark grey on white (c) white on dark blue (d) red on green
33. 33.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
34. 34.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
35. 35.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
36. 36.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
37. 37.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) blue on purple (d) dark grey on white
38. 38.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
39. 39.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) black on white (d) blue on purple
40. 40.Which colour pair is easy to read? (a) blue on purple (b) white on black (c) red on green (d) pink on red

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