Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 609 · 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 easy to read? (a) blue on purple (b) dark grey on white (c) red on green (d) light grey on white
2. 2.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
3. 3.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
4. 4.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
5. 5.True or false: “label every form box” makes the page harder to use. (a) True (b) False
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
7. 7.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h4> → <h3> (a) No (b) Yes
9. 9.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h5>
10. 10.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
11. 11.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
12. 12.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
13. 13.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
14. 14.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h6> (d) <h3>
15. 15.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h5> (c) <h1> (d) <h3>
17. 17.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) pink on red (d) white on dark blue
18. 18.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
19. 19.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) No (b) Yes
21. 21.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h2> (d) <h3>
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
23. 23.Which colour pair is hard to read? (a) blue on purple (b) yellow on black (c) white on black (d) dark grey on white
24. 24.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h6> (c) <h4> (d) <h2>
25. 25.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
27. 27.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
28. 28.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) yellow on white (d) blue on purple
29. 29.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
30. 30.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
31. 31.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
32. 32.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
33. 33.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
35. 35.Which colour pair is hard to read? (a) white on dark blue (b) light grey on white (c) yellow on black (d) black on white
36. 36.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
38. 38.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
39. 39.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
40. 40.True or false: “images with no alt” helps everyone use the page. (a) False (b) True

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