Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 910 · 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 red on green easy or hard to read? (a) hard to read (b) easy to read
2. 2.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) yellow on white (d) pink on red
3. 3.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
4. 4.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
5. 5.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h4> → <h3> (a) Yes (b) No
6. 6.♿ What does good colour contrast mean? (a) text stands out clearly (b) only red text (c) many bright colours (d) no colours at all
7. 7.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
8. 8.Which colour pair is easy to read? (a) red on green (b) pink on red (c) dark grey on white (d) blue on purple
9. 9.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
10. 10.Which colour pair is hard to read? (a) black on white (b) yellow on white (c) yellow on black (d) white on dark blue
11. 11.Which colour pair is hard to read? (a) yellow on black (b) blue on purple (c) dark grey on white (d) white on dark blue
12. 12.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) light grey on white (d) yellow on black
13. 13.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
14. 14.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
15. 15.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
16. 16.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h5> (d) <h2>
17. 17.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h2> (b) <h1> (c) <h4> (d) <h5>
18. 18.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h2> (d) <h5>
19. 19.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
20. 20.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
21. 21.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
22. 22.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
23. 23.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h4>
24. 24.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
25. 25.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) black on white
26. 26.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
27. 27.Which colour pair is hard to read? (a) red on green (b) dark grey on white (c) black on white (d) white on black
28. 28.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
29. 29.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
30. 30.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h3> (a) No (b) Yes
31. 31.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
32. 32.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
33. 33.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
34. 34.True or false: “colour as the only clue” makes the page harder to use. (a) True (b) False
35. 35.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h4> (a) No (b) Yes
36. 36.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
37. 37.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
39. 39.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
40. 40.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h5> (b) <h1> (c) <h2> (d) <h4>

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