Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 72 · 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> → <h2> → <h3> → <h4> (a) No (b) Yes
2. 2.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h6> (d) <h5>
3. 3.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) No (b) Yes
4. 4.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h3> (d) <h1>
5. 5.Which colour pair is hard to read? (a) dark grey on white (b) white on dark blue (c) yellow on black (d) light grey on white
6. 6.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
7. 7.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
8. 8.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
9. 9.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) light grey on white (d) dark grey on white
10. 10.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
11. 11.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
12. 12.Which colour pair is easy to read? (a) blue on purple (b) pink on red (c) light grey on white (d) yellow on black
13. 13.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h4>
14. 14.♿ What does good colour contrast mean? (a) only red text (b) no colours at all (c) text stands out clearly (d) many bright colours
15. 15.♿ Who uses a screen reader? (a) only coders (b) only robots (c) only teachers (d) people who are blind
16. 16.Which colour pair is hard to read? (a) yellow on black (b) dark grey on white (c) white on black (d) blue on purple
17. 17.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
18. 18.True or false: “label every form box” makes the page harder to use. (a) True (b) False
19. 19.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
20. 20.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
21. 21.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
23. 23.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h5> (d) <h6>
24. 24.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
25. 25.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) yellow on white
26. 26.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
27. 27.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
28. 28.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
29. 29.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is easy to read? (a) red on green (b) blue on purple (c) yellow on white (d) white on dark blue
31. 31.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
32. 32.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
33. 33.Which colour pair is hard to read? (a) white on dark blue (b) black on white (c) red on green (d) yellow on black
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
35. 35.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
36. 36.Which colour pair is hard to read? (a) yellow on black (b) pink on red (c) dark grey on white (d) white on dark blue
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
38. 38.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) black on white (d) yellow on white
39. 39.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
40. 40.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder

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