A list of React and non React website that I came across.

react-is-everywhere.md

Sites that use React:

1. https://www.figma.com/
2. https://twitter.com/home
3. https://www.tumblr.com/
4. https://app.slack.com/
5. https://ui.docs.amplify.aws/
6. https://observablehq.com/
7. https://beta.reactjs.org/
8. https://web.whatsapp.com/
9. https://ap-southeast-1.console.aws.amazon.com/
10. aws cloud ide
11. https://www.dailymail.co.uk/
12. https://mazipan.space/
13. https://reactnative.dev/
14. https://www.reddit.com/
15. https://reactrouter.com/
16. https://ebooks.humanwhocodes.com/
17. https://overreacted.io/
18. https://linktr.ee/
19. https://www.npmjs.com/
20. https://web.facebook.com/
21. https://www.netflix.com/
22. https://www.straitstimes.com/
23. https://www.nytimes.com/
24. https://codesandbox.io/
25. https://www.quora.com/
26. https://nextjs.org/
27. https://hard.mathler.com/
28. https://yarnpkg.com/
29. https://autodesk.github.io/
30. https://medium.com/
31. https://app.chime.aws/
32. https://www.typescriptlang.org/
33. https://www.tiktok.com/
34. https://www.digitalocean.com/
35. https://nodejs.dev/
36. https://webpack.js.org/
37. https://headlessui.dev/
38. https://vercel.com/
39. https://stateofjs.com/
40. https://asana.com/
41. https://www.alibaba.com/
42. https://id.alibabacloud.com/
43. https://best.aliexpress.com/
44. https://shopee.co.id/
45. https://shopee.sg/
46. https://global.alipay.com/
47. https://developer.mozilla.org/
48. https://code.visualstudio.com/
49. https://egghead.io/
50. https://www.ibm.com/
51. https://app.netlify.com/
52. https://covid19.who.int/
53. https://www.tokopedia.com/
54. https://shopee.co.id/
55. https://www.nytimes.com/games/wordle/index.html
56. https://webamp.org/
57. https://www.rdocumentation.org/
58. https://hackernoon.com/
59. https://shop.lululemon.com/
60. https://www.twitch.tv/
61. https://mailchimp.com/
62. https://codepen.io/
63. https://console.neo4j.io/
64. https://new.chess24.com/play
65. https://pse.kominfo.go.id/home

Sites that use Vue:

1. https://9gag.com/
2. https://snyk.io/
3. https://antfu.me/
4. https://www.sensedeep.com/
5. https://cloudconvert.com/
6. https://www.jpa-buddy.com/
7. https://app.snyk.io/
8. https://www.kompas.id/
9. https://karyakarsa.com/
10. https://pikobar.jabarprov.go.id/
11. https://gitlab.com/
12. https://vuejs.org/
13. https://www.chess.com/
14. https://fortnitetracker.com/

Sites that use everything else:

1. https://www.markdownguide.org/
2. https://github.com/
3. https://mail.google.com/
4. https://duckduckgo.com/
5. http://artidata.io/
6. https://dev.to/
7. https://www.linkedin.com/
8. https://stackoverflow.com/
9. https://semver.org/
10. https://sourceforge.net/
11. https://r-forge.r-project.org/
12. https://stripe.com/
13. https://adventofcode.com/
14. https://www.todayonline.com/
15. https://www.kompas.tv/
16. https://en.gravatar.com/
17. https://www.fastmail.com/
18. https://lodash.com/
19. https://www.geeksforgeeks.org/
20. https://humanwhocodes.com/
21. https://www.youtube.com/
22. https://dart.dev/
23. https://caniuse.com/
24. https://twm.me/
25. https://nodejs.org/
26. https://babeljs.io/
27. https://flaviocopes.com/
28. https://gomakethings.com/
29. https://fireship.io/
30. https://blog.logrocket.com/
31. https://wikipedia.org
32. https://rollupjs.org/
33. https://liveuamap.com/
34. https://www.amazon.com/
35. https://docs.google.com/
36. https://drive.google.com/
37. https://www.urbandictionary.com/
38. https://coolors.co/
39. https://css-tricks.com/
40. https://lichess.org/