Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 614 · 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 dark grey on white easy or hard to read? (a) easy to read (b) hard to read
2. 2.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
3. 3.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h1> (b) <h4> (c) <h2> (d) <h5>
4. 4.True or false: “label every form box” makes the page harder to use. (a) False (b) True
5. 5.True or false: “use big enough text” makes the page harder to use. (a) True (b) False
6. 6.True or false: “use headings in order” makes the page harder to use. (a) True (b) False
7. 7.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h3> → <h4> (a) Yes (b) No
8. 8.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h2> (b) <h6> (c) <h5> (d) <h3>
9. 9.Which colour pair is easy to read? (a) black on white (b) blue on purple (c) light grey on white (d) yellow on white
10. 10.Which colour pair is hard to read? (a) pink on red (b) white on black (c) dark grey on white (d) white on dark blue
11. 11.♿ Which link text is clearest? (a) click here (b) link (c) here (d) Read the fruit facts
12. 12.♿ Who uses a screen reader? (a) only robots (b) people who are blind (c) only coders (d) only teachers
13. 13.Which colour pair is hard to read? (a) white on black (b) white on dark blue (c) red on green (d) yellow on black
14. 14.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h3> (b) <h6> (c) <h1> (d) <h2>
15. 15.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h1> (a) Yes (b) No
16. 16.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h1> (b) <h5> (c) <h3> (d) <h4>
17. 17.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h5> (a) Yes (b) No
18. 18.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
19. 19.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h2> (a) Yes (b) No
20. 20.♿ What does good colour contrast mean? (a) no colours at all (b) text stands out clearly (c) only red text (d) many bright colours
21. 21.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
22. 22.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
23. 23.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
24. 24.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
25. 25.Which colour pair is easy to read? (a) yellow on black (b) blue on purple (c) light grey on white (d) yellow on white
26. 26.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
27. 27.True or false: “label every form box” helps everyone use the page. (a) False (b) True
28. 28.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
29. 29.🌗 Is blue on purple easy or hard to read? (a) hard to read (b) easy to read
30. 30.Which colour pair is easy to read? (a) red on green (b) white on dark blue (c) blue on purple (d) yellow on white
31. 31.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h2> (d) <h3>
32. 32.Which colour pair is hard to read? (a) white on black (b) light grey on white (c) dark grey on white (d) white on dark blue
33. 33.True or false: “tiny grey text” helps everyone use the page. (a) False (b) True
34. 34.True or false: “add alt text to images” helps everyone use the page. (a) False (b) True
35. 35.Which colour pair is hard to read? (a) dark grey on white (b) blue on purple (c) yellow on black (d) white on dark blue
36. 36.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read
37. 37.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
38. 38.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
39. 39.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h3> → <h4> (a) Yes (b) No
40. 40.True or false: “use headings in order” helps everyone use the page. (a) True (b) False

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