Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 90 · 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.♿ What does good colour contrast mean? (a) only red text (b) many bright colours (c) no colours at all (d) text stands out clearly
2. 2.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
3. 3.🌗 Is black on white easy or hard to read? (a) easy to read (b) hard to read
4. 4.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
5. 5.True or false: “write clear link text” makes the page harder to use. (a) False (b) True
6. 6.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
7. 7.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
8. 8.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
10. 10.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
11. 11.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) black on white (d) light grey on white
12. 12.♿ Which link text is clearest? (a) click here (b) link (c) Read the fruit facts (d) here
13. 13.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
14. 14.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h4> (b) <h1> (c) <h5> (d) <h6>
15. 15.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
16. 16.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h2> (d) <h4>
17. 17.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h2> (d) <h6>
18. 18.Which colour pair is easy to read? (a) white on black (b) blue on purple (c) pink on red (d) yellow on white
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h5> (a) No (b) Yes
20. 20.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
21. 21.🌗 Is dark grey on white easy or hard to read? (a) easy to read (b) hard to read
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
24. 24.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
25. 25.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) yellow on black (d) white on black
26. 26.♿ Who uses a screen reader? (a) people who are blind (b) only robots (c) only teachers (d) only coders
27. 27.True or false: “skipping heading levels” makes the page harder to use. (a) False (b) True
28. 28.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h5>
29. 29.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
30. 30.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
31. 31.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h3> (a) No (b) Yes
32. 32.True or false: “tiny grey text” makes the page harder to use. (a) True (b) False
33. 33.True or false: “images with no alt” makes the page harder to use. (a) True (b) False
34. 34.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
35. 35.🌗 Is light grey on white easy or hard to read? (a) easy to read (b) hard to read
36. 36.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
37. 37.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
38. 38.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
39. 39.True or false: “label every form box” helps everyone use the page. (a) True (b) False
40. 40.Which colour pair is hard to read? (a) dark grey on white (b) white on black (c) white on dark blue (d) pink on red

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