Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 478 · 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.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
2. 2.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
3. 3.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
4. 4.♿ Which link text is clearest? (a) link (b) Read the fruit facts (c) click here (d) here
5. 5.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
6. 6.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
7. 7.🌗 Is yellow on black easy or hard to read? (a) hard to read (b) easy to read
8. 8.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) blue on purple (d) white on black
9. 9.♿ Who uses a screen reader? (a) people who are blind (b) only coders (c) only teachers (d) only robots
10. 10.Which colour pair is easy to read? (a) black on white (b) pink on red (c) blue on purple (d) light grey on white
11. 11.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h2> (c) <h6> (d) <h5>
12. 12.Which colour pair is easy to read? (a) light grey on white (b) pink on red (c) blue on purple (d) dark grey on white
13. 13.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
14. 14.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h4> (a) Yes (b) No
15. 15.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
16. 16.Which colour pair is hard to read? (a) red on green (b) yellow on black (c) white on dark blue (d) white on black
17. 17.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
18. 18.Which colour pair is hard to read? (a) white on dark blue (b) yellow on black (c) light grey on white (d) black on white
19. 19.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
20. 20.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
21. 21.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) makes it harder (b) helps everyone
22. 22.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) text stands out clearly (d) many bright colours
23. 23.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) No (b) Yes
24. 24.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
25. 25.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h3> (d) <h2>
26. 26.Which colour pair is hard to read? (a) blue on purple (b) black on white (c) dark grey on white (d) white on black
27. 27.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
28. 28.Which colour pair is hard to read? (a) white on black (b) yellow on white (c) yellow on black (d) black on white
29. 29.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
30. 30.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h2> (b) <h5> (c) <h6> (d) <h1>
33. 33.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
35. 35.Which colour pair is easy to read? (a) light grey on white (b) yellow on black (c) blue on purple (d) red on green
36. 36.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) Yes (b) No
37. 37.True or false: “label every form box” helps everyone use the page. (a) False (b) True
38. 38.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
39. 39.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
40. 40.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h2> (c) <h3> (d) <h1>

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