Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 60 · 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.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h2> → <h3> (a) No (b) Yes
2. 2.♿ Who uses a screen reader? (a) only robots (b) only teachers (c) people who are blind (d) only coders
3. 3.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
4. 4.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
5. 5.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
6. 6.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
7. 7.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
8. 8.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
9. 9.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
10. 10.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
11. 11.♿ Which link text is clearest? (a) here (b) link (c) click here (d) Read the fruit facts
12. 12.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) black on white (d) light grey on white
13. 13.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
16. 16.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h2> (d) <h4>
17. 17.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) blue on purple (d) black on white
18. 18.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
19. 19.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
20. 20.Which colour pair is hard to read? (a) red on green (b) white on dark blue (c) yellow on black (d) dark grey on white
21. 21.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
22. 22.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
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.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h4> (d) <h3>
27. 27.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
29. 29.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
30. 30.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
31. 31.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) pink on red (d) white on dark blue
32. 32.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h3> (a) Yes (b) No
33. 33.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) dark grey on white (d) yellow on white
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) No (b) Yes
35. 35.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h4> (c) <h6> (d) <h5>
36. 36.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
37. 37.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
38. 38.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
39. 39.Which colour pair is hard to read? (a) pink on red (b) yellow on black (c) black on white (d) white on black
40. 40.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) red on green (d) white on black

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