Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 600 · 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 light grey on white easy or hard to read? (a) easy to read (b) hard to read
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
3. 3.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
5. 5.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
6. 6.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) dark grey on white (d) white on black
7. 7.Which colour pair is easy to read? (a) blue on purple (b) red on green (c) pink on red (d) black on white
8. 8.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
9. 9.♿ Who uses a screen reader? (a) only coders (b) only teachers (c) only robots (d) people who are blind
10. 10.Which colour pair is easy to read? (a) light grey on white (b) dark grey on white (c) blue on purple (d) red on green
11. 11.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
12. 12.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h4> (d) <h6>
13. 13.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
14. 14.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) white on black (d) light grey on white
16. 16.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
17. 17.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
18. 18.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h2> → <h2> (a) Yes (b) No
20. 20.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
21. 21.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h4> (d) <h1>
22. 22.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
23. 23.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
24. 24.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h3> (d) <h6>
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
26. 26.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) yellow on white (d) dark grey on white
27. 27.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
28. 28.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
29. 29.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h4> (d) <h2>
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
32. 32.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
34. 34.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
35. 35.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
36. 36.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
37. 37.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
38. 38.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
39. 39.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
40. 40.True or false: “use big enough text” helps everyone use the page. (a) False (b) True

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