Web Worksheet: Accessibility Basics

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

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