Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 82 · 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.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) people who are blind (d) only robots
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h4> (a) No (b) Yes
3. 3.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h4> (d) <h6>
4. 4.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
6. 6.Which colour pair is easy to read? (a) white on dark blue (b) red on green (c) light grey on white (d) yellow on white
7. 7.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
8. 8.Which colour pair is hard to read? (a) black on white (b) white on black (c) blue on purple (d) white on dark blue
9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h3>
10. 10.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
12. 12.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
13. 13.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
14. 14.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h5> (d) <h2>
15. 15.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h5>
16. 16.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) dark grey on white (d) black on white
17. 17.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
18. 18.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) light grey on white (d) dark grey on white
19. 19.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) black on white (d) light grey on white
20. 20.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
21. 21.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) yellow on white (d) red on green
22. 22.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
23. 23.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) yellow on black (d) yellow on white
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
25. 25.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
26. 26.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) red on green (d) dark grey on white
27. 27.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
28. 28.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
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.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
31. 31.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
32. 32.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
33. 33.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
35. 35.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h4> (d) <h1>
36. 36.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
37. 37.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder

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