Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 109 · 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.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h2> (d) <h3>
2. 2.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
3. 3.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
4. 4.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h1>
5. 5.Which colour pair is easy to read? (a) white on dark blue (b) light grey on white (c) blue on purple (d) yellow on white
6. 6.True or false: “label every form box” helps everyone use the page. (a) False (b) True
7. 7.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
9. 9.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
10. 10.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h4> (d) <h5>
11. 11.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) black on white (d) red on green
12. 12.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
13. 13.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only robots (d) only teachers
14. 14.♿ Which link text is clearest? (a) click here (b) here (c) Read the fruit facts (d) link
15. 15.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
16. 16.♿ What does good colour contrast mean? (a) many bright colours (b) only red text (c) no colours at all (d) text stands out clearly
17. 17.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
18. 18.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) red on green (d) yellow on white
19. 19.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
20. 20.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
24. 24.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) white on black (d) dark grey on white
25. 25.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
26. 26.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) pink on red (d) white on black
27. 27.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
28. 28.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
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> → <h3> → <h4> → <h3> (a) Yes (b) No
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
32. 32.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h5> (a) Yes (b) No
34. 34.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
35. 35.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
36. 36.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h1> (d) <h6>
37. 37.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
38. 38.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
40. 40.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read

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