Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 351 · 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> → <h3> → <h3> (a) Yes (b) No
2. 2.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
3. 3.Which colour pair is easy to read? (a) light grey on white (b) black on white (c) red on green (d) yellow on white
4. 4.True or false: “label every form box” helps everyone use the page. (a) True (b) False
5. 5.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
6. 6.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
7. 7.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
8. 8.Which colour pair is hard to read? (a) light grey on white (b) white on dark blue (c) white on black (d) dark grey on white
9. 9.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
10. 10.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
12. 12.♿ Who uses a screen reader? (a) only robots (b) only coders (c) only teachers (d) people who are blind
13. 13.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
14. 14.♿ What does good colour contrast mean? (a) no colours at all (b) many bright colours (c) text stands out clearly (d) only red text
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) Yes (b) No
16. 16.♿ Which link text is clearest? (a) click here (b) Read the fruit facts (c) link (d) here
17. 17.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
18. 18.Which colour pair is easy to read? (a) yellow on black (b) light grey on white (c) yellow on white (d) blue on purple
19. 19.Which colour pair is easy to read? (a) dark grey on white (b) light grey on white (c) blue on purple (d) red on green
20. 20.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
21. 21.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
22. 22.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
23. 23.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h2> (d) <h1>
24. 24.Which colour pair is easy to read? (a) blue on purple (b) white on dark blue (c) red on green (d) pink on red
25. 25.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
26. 26.True or false: “use big enough text” helps everyone use the page. (a) True (b) False
27. 27.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
28. 28.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
29. 29.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
30. 30.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) helps everyone (b) makes it harder
31. 31.True or false: “link text “click here”” makes the page harder to use. (a) True (b) False
32. 32.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h4> (d) <h1>
33. 33.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h1>
34. 34.True or false: “write clear link text” makes the page harder to use. (a) True (b) False
35. 35.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
36. 36.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h1> (b) <h3> (c) <h4> (d) <h6>
37. 37.Which colour pair is easy to read? (a) white on black (b) yellow on white (c) pink on red (d) red on green
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h3> → <h4> (a) No (b) Yes
39. 39.Which colour pair is hard to read? (a) white on dark blue (b) dark grey on white (c) pink on red (d) yellow on black
40. 40.True or false: “add alt text to images” makes the page harder to use. (a) False (b) True

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