Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 476 · 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.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) blue on purple (d) yellow on white
2. 2.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
3. 3.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
6. 6.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
7. 7.🌗 Is red on green easy or hard to read? (a) easy to read (b) hard to read
8. 8.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is hard to read? (a) light grey on white (b) yellow on black (c) dark grey on white (d) white on dark blue
11. 11.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
12. 12.Which colour pair is hard to read? (a) yellow on white (b) white on dark blue (c) white on black (d) dark grey on white
13. 13.Which colour pair is hard to read? (a) pink on red (b) dark grey on white (c) white on black (d) black on white
14. 14.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Which link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
16. 16.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h4> (c) <h1> (d) <h5>
17. 17.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
18. 18.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h2> (d) <h3>
19. 19.🌗 Is light 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) Yes (b) No
21. 21.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
22. 22.True or false: “write clear link text” helps everyone use the page. (a) False (b) True
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) No (b) Yes
24. 24.Which colour pair is easy to read? (a) pink on red (b) red on green (c) blue on purple (d) dark grey on white
25. 25.True or false: “label every form box” makes the page harder to use. (a) False (b) True
26. 26.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
27. 27.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
28. 28.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) white on black (d) light grey on white
29. 29.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) No (b) Yes
30. 30.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
31. 31.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h5> (c) <h4> (d) <h1>
32. 32.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h4> (d) <h6>
33. 33.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
36. 36.True or false: “label every form box” helps everyone use the page. (a) False (b) True
37. 37.🌗 Is yellow 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: use big enough text? (a) makes it harder (b) helps everyone
39. 39.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No

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