[mahouk]

How can one build a visualisation like this?

And does something like this exist but for the web?

[dleeftink]

Anvanka provides detailed instructions here[0]. Nowadays I would also consider using Cosmograph[1].

[0]: https://github.com/anvaka/pm?tab=readme-ov-file#your-own-gra...

[1]: https://github.com/cosmograph-org