Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 307 · 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.Which colour pair is hard to read? (a) white on dark blue (b) red on green (c) black on white (d) dark grey on white
2. 2.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h6>
3. 3.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
4. 4.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
5. 5.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
6. 6.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
7. 7.🌗 Is yellow on white 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: use headings in order? (a) makes it harder (b) helps everyone
9. 9.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
10. 10.Which colour pair is easy to read? (a) yellow on white (b) black on white (c) pink on red (d) light grey on white
11. 11.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
12. 12.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
13. 13.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
14. 14.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
15. 15.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
16. 16.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) text stands out clearly (d) no colours at all
17. 17.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
18. 18.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
20. 20.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
21. 21.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
22. 22.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h5> (b) <h3> (c) <h4> (d) <h6>
25. 25.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
26. 26.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
28. 28.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h6> (d) <h1>
32. 32.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) pink on red (d) yellow on black
33. 33.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
34. 34.🌗 Is dark grey 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> → <h1> → <h1> → <h1> (a) Yes (b) No
36. 36.True or false: “label every form box” helps everyone use the page. (a) True (b) False
37. 37.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
38. 38.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
39. 39.Which colour pair is hard to read? (a) yellow on black (b) light grey on white (c) black on white (d) white on dark blue
40. 40.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True

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