Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 391 · 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> → <h3> → <h4> → <h3> (a) No (b) Yes
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h1> → <h1> → <h2> (a) No (b) Yes
3. 3.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
4. 4.♿ Is this heading order correct (no level skipped)?
   <h1> → <h3> → <h2> → <h2> (a) Yes (b) No
5. 5.Which colour pair is hard to read? (a) black on white (b) white on black (c) pink on red (d) white on dark blue
6. 6.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
7. 7.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
8. 8.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h4>
9. 9.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) makes it harder (b) helps everyone
10. 10.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h4> (b) <h2> (c) <h1> (d) <h3>
11. 11.🌗 Is white on dark blue easy or hard to read? (a) hard to read (b) easy to read
12. 12.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) white on black (d) yellow on white
13. 13.Which colour pair is easy to read? (a) pink on red (b) yellow on white (c) dark grey on white (d) blue on purple
14. 14.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
15. 15.Which colour pair is easy to read? (a) light grey on white (b) white on dark blue (c) yellow on white (d) red on green
16. 16.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
17. 17.Which colour pair is hard to read? (a) yellow on black (b) black on white (c) red on green (d) white on dark blue
18. 18.♿ What does good colour contrast mean? (a) no colours at all (b) only red text (c) many bright colours (d) text stands out clearly
19. 19.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h3> (b) <h2> (c) <h6> (d) <h5>
20. 20.True or false: “use headings in order” makes the page harder to use. (a) False (b) True
21. 21.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
22. 22.True or false: “write clear link text” helps everyone use the page. (a) True (b) False
23. 23.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
24. 24.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
25. 25.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
26. 26.True or false: “link text “click here”” helps everyone use the page. (a) True (b) False
27. 27.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
28. 28.Which colour pair is easy to read? (a) pink on red (b) light grey on white (c) black on white (d) red on green
29. 29.True or false: “colour as the only clue” makes the page harder to use. (a) False (b) True
30. 30.True or false: “label every form box” helps everyone use the page. (a) False (b) True
31. 31.♿ Which link text is clearest? (a) link (b) here (c) Read the fruit facts (d) click here
32. 32.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h4>
33. 33.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
34. 34.True or false: “skipping heading levels” helps everyone use the page. (a) True (b) False
35. 35.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) makes it harder (b) helps everyone
36. 36.Which colour pair is hard to read? (a) light grey on white (b) yellow on black (c) dark grey on white (d) white on black
37. 37.True or false: “use headings in order” helps everyone use the page. (a) False (b) True
38. 38.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
40. 40.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder

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