Web Worksheet: Accessibility Basics

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

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