Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 366 · 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> → <h1> → <h1> → <h2> (a) No (b) Yes
2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
3. 3.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
4. 4.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
5. 5.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
6. 6.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) blue on purple (d) yellow on black
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
8. 8.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) black on white (d) white on black
9. 9.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
10. 10.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h6>
11. 11.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) link (d) click here
12. 12.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
13. 13.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
14. 14.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
15. 15.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
16. 16.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
17. 17.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
18. 18.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
19. 19.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h3>
20. 20.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) dark grey on white (d) white on dark blue
21. 21.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
22. 22.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h2> (d) <h4>
23. 23.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
25. 25.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
26. 26.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
27. 27.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
28. 28.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
29. 29.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) red on green (d) yellow on white
30. 30.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
31. 31.Which colour pair is hard to read? (a) yellow on black (b) pink on red (c) black on white (d) white on dark blue
32. 32.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) dark grey on white (d) light grey on white
33. 33.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
35. 35.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only coders (d) only robots
36. 36.Which colour pair is hard to read? (a) white on dark blue (b) yellow on white (c) dark grey on white (d) black on white
37. 37.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
39. 39.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
40. 40.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False

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