Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 220 · 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.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
2. 2.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
3. 3.Which colour pair is hard to read? (a) yellow on white (b) dark grey on white (c) white on black (d) black on white
4. 4.Which colour pair is easy to read? (a) black on white (b) red on green (c) light grey on white (d) blue on purple
5. 5.♿ Who uses a screen reader? (a) only robots (b) only coders (c) people who are blind (d) only teachers
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
7. 7.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
8. 8.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
9. 9.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h2> (d) <h5>
10. 10.♿ Which link text is clearest? (a) Read the fruit facts (b) here (c) click here (d) link
11. 11.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
12. 12.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
14. 14.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on white (d) dark grey on white
15. 15.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
16. 16.Which colour pair is hard to read? (a) white on black (b) pink on red (c) yellow on black (d) black on white
17. 17.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
18. 18.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
19. 19.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
20. 20.Which colour pair is hard to read? (a) yellow on black (b) white on black (c) red on green (d) dark grey on white
21. 21.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
22. 22.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
23. 23.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
24. 24.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) white on black (d) blue on purple
25. 25.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) yellow on black
26. 26.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) No (b) Yes
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
30. 30.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h1> (d) <h6>
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
34. 34.True or false: “label every form box” helps everyone use the page. (a) True (b) False
35. 35.True or false: “label every form box” makes the page harder to use. (a) True (b) False
36. 36.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
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.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
39. 39.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No

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