Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 462 · 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: “use big enough text” makes the page harder to use. (a) True (b) False
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h3> (a) Yes (b) No
3. 3.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
5. 5.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
6. 6.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
7. 7.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
8. 8.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h1> (d) <h6>
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
11. 11.Which colour pair is easy to read? (a) pink on red (b) blue on purple (c) white on dark blue (d) yellow on white
12. 12.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
13. 13.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) yellow on black (d) yellow on white
14. 14.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h6> (d) <h5>
15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) text stands out clearly (c) no colours at all (d) only red text
16. 16.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on black (d) red on green
17. 17.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) black on white (d) white on black
18. 18.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h4>
19. 19.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h5> (d) <h6>
20. 20.True or false: “label every form box” helps everyone use the page. (a) False (b) True
21. 21.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h5> (c) <h1> (d) <h4>
23. 23.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
24. 24.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
25. 25.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
26. 26.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) pink on red (d) yellow on black
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
28. 28.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
29. 29.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) blue on purple (d) dark grey on white
30. 30.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) black on white (d) yellow on white
31. 31.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
32. 32.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
33. 33.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
34. 34.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only teachers (d) only coders
35. 35.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
36. 36.Which colour pair is easy to read? (a) white on black (b) pink on red (c) red on green (d) yellow on white
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
38. 38.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h2> (a) Yes (b) No
40. 40.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read

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