Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 407 · 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: “label every form box” helps everyone use the page. (a) True (b) False
2. 2.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) white on black
3. 3.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
4. 4.♿ Who uses a screen reader? (a) people who are blind (b) only teachers (c) only robots (d) only coders
5. 5.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
7. 7.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) blue on purple (d) red on green
8. 8.Which colour pair is easy to read? (a) dark grey on white (b) pink on red (c) yellow on white (d) red on green
9. 9.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) dark grey on white (d) light grey on white
10. 10.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
11. 11.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h4> (d) <h3>
12. 12.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
13. 13.Which colour pair is easy to read? (a) black on white (b) pink on red (c) blue on purple (d) light grey on white
14. 14.Which colour pair is hard to read? (a) red on green (b) white on black (c) black on white (d) dark grey on white
15. 15.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ Which link text is clearest? (a) Read the fruit facts (b) link (c) click here (d) here
17. 17.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h1> (d) <h3>
20. 20.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
21. 21.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) dark grey on white (d) yellow on black
22. 22.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
23. 23.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
24. 24.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
26. 26.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
27. 27.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
28. 28.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
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.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
33. 33.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h5>
34. 34.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
35. 35.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
36. 36.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
37. 37.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
39. 39.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h6> (d) <h2>
40. 40.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read

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