Two domains, two hosting and one site - what to do?

Question

Domain name market

The next picture is one website, two domains and two hostings.
The site is located both there and there, the database is stored in one host.

How is Google and Yandex friendly with such sites?
And is it possible to make it so that when one hoster is unavailable, it goes to another?

Or teamwork to make the site load twice as fast?

Answer 1

better one domain, one site and two hostings, then for search engines it will be the norm, it
is enough to bind 2 ip (2 hostings) to one domain and the load will be distributed between hostings, but what's the point if 20 people visit the site a day.
2 domains and 2 hostings with one site, of course, as the person wrote above, this is bad, duplicated content is poorly indexed, or one of the domains will leave the search. it is better to indicate the main mirror so that there is no confusion

Answer 2

Twice faster, definitely not))
Make a redirect and glue the mirrors together

Answer 3

Search engines treat this as duplicate content. The remaining questions are puzzling to me personally - why such maneuvers? If you are afraid that one of the sites will be unavailable, then go to a reliable host. Leave one domain as the main one, and set up a redirect on the other. As for collaboration: buy a powerful server and you will be happy))).