Web Worksheet: Accessibility Basics

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

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