Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 791 · 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: “use headings in order” makes the page harder to use. (a) False (b) True
2. 2.Which colour pair is hard to read? (a) dark grey on white (b) yellow on black (c) pink on red (d) white on dark blue
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
4. 4.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
5. 5.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
6. 6.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
7. 7.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
8. 8.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) yellow on white (d) blue on purple
9. 9.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
10. 10.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h6> (d) <h3>
11. 11.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
12. 12.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
13. 13.Which colour pair is easy to read? (a) light grey on white (b) blue on purple (c) white on black (d) yellow on white
14. 14.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
16. 16.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
17. 17.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) light grey on white (d) white on dark blue
18. 18.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
19. 19.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h5> (d) <h2>
20. 20.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h2> (d) <h1>
22. 22.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
23. 23.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
24. 24.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
25. 25.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
26. 26.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
27. 27.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
28. 28.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
29. 29.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) white on black (d) light grey on white
30. 30.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
31. 31.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
33. 33.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
34. 34.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h4> (d) <h3>
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
36. 36.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
37. 37.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
38. 38.Which colour pair is hard to read? (a) blue on purple (b) white on dark blue (c) white on black (d) dark grey on white
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
40. 40.Which colour pair is hard to read? (a) dark grey on white (b) red on green (c) white on black (d) black on white

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