Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 367 · 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> → <h3> (a) No (b) Yes
2. 2.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
3. 3.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
4. 4.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
5. 5.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
6. 6.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
7. 7.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
8. 8.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
9. 9.True or false: “label every form box” helps everyone use the page. (a) False (b) True
10. 10.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h3> (c) <h5> (d) <h1>
12. 12.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
13. 13.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) white on dark blue (d) dark grey on white
14. 14.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
15. 15.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) black on white (d) white on black
16. 16.Which colour pair is hard to read? (a) red on green (b) white on black (c) black on white (d) white on dark blue
17. 17.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
18. 18.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
20. 20.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) No (b) Yes
21. 21.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
22. 22.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
23. 23.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
24. 24.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
25. 25.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) pink on red (d) black on white
26. 26.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) only red text (d) many bright colours
27. 27.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
28. 28.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
29. 29.Which colour pair is hard to read? (a) white on dark blue (b) white on black (c) yellow on white (d) yellow on black
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) No (b) Yes
31. 31.Which colour pair is easy to read? (a) white on black (b) pink on red (c) yellow on white (d) red on green
32. 32.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h3> (d) <h4>
33. 33.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
34. 34.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
35. 35.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
36. 36.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
37. 37.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
38. 38.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
39. 39.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) red on green (d) pink on red
40. 40.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder

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