Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 685 · 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.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
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.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
4. 4.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
7. 7.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
10. 10.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
11. 11.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
12. 12.Which colour pair is hard to read? (a) black on white (b) white on black (c) yellow on white (d) yellow on black
13. 13.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) pink on red (d) yellow on black
14. 14.♿ Which link text is clearest? (a) link (b) here (c) click here (d) Read the fruit facts
15. 15.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) light grey on white (d) yellow on white
16. 16.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h6> (c) <h2> (d) <h1>
17. 17.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
18. 18.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
19. 19.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h2> (d) <h1>
21. 21.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h2>
22. 22.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
23. 23.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
24. 24.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) dark grey on white
25. 25.♿ Who uses a screen reader? (a) only teachers (b) people who are blind (c) only robots (d) only coders
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
27. 27.True or false: “label every form box” helps everyone use the page. (a) False (b) True
28. 28.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
29. 29.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
30. 30.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
31. 31.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
33. 33.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) yellow on white (d) black on white
34. 34.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
37. 37.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
38. 38.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
39. 39.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
40. 40.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read

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