Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 693 · 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 link text is clearest? (a) link (b) click here (c) Read the fruit facts (d) here
2. 2.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) blue on purple (d) dark grey on white
3. 3.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
4. 4.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True
5. 5.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
6. 6.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
7. 7.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
8. 8.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h3> → <h3> (a) No (b) Yes
9. 9.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h1> (d) <h2>
10. 10.♿ What does good colour contrast mean? (a) text stands out clearly (b) no colours at all (c) many bright colours (d) only red text
11. 11.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
12. 12.♿ Who uses a screen reader? (a) only teachers (b) only coders (c) only robots (d) people who are blind
13. 13.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) yellow on black (d) red on green
14. 14.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) light grey on white (d) dark grey on white
15. 15.Which colour pair is hard to read? (a) white on black (b) blue on purple (c) dark grey on white (d) yellow on black
16. 16.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) red on green (d) blue on purple
17. 17.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h2> → <h3> (a) No (b) Yes
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h2> (a) Yes (b) No
20. 20.🌗 Is white on black easy or hard to read? (a) hard to read (b) easy to read
21. 21.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
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.True or false: “colour as the only clue” helps everyone use the page. (a) False (b) True
24. 24.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h2> (d) <h5>
25. 25.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) Yes (b) No
26. 26.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h3> (d) <h1>
27. 27.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
28. 28.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
29. 29.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
31. 31.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
32. 32.🌗 Is yellow on white easy or hard to read? (a) easy to read (b) hard to read
33. 33.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
34. 34.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h6> (b) <h3> (c) <h1> (d) <h4>
36. 36.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) red on green (d) yellow on black
37. 37.True or false: “use big enough text” helps everyone use the page. (a) False (b) True
38. 38.True or false: “label every form box” helps everyone use the page. (a) False (b) True
39. 39.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) yellow on white (d) blue on purple
40. 40.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone

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