Should I use Angular2 if search engine optimization is important?

Question

Angular

I am writing a site on Node.js, now the question arose of how to organize everything. Make a SPA on Angular2 (it would be better) or do it in the format of a regular site. The site itself is similar to a blog with user posts, SEO optimization is important, i.e. the robot must follow links from the site and receive information from pages with posts.
I heard somewhere that SPAs on Angular2 are not indexed, because the search robot cannot correctly view all the pages of the site (it does not execute JS) or is it not?
Also, how are things with routing, if for example I specify that I want to use slashes instead of #, and the link of some post is example.com/post/1, will the search robot be able to open this page and correctly receive the data?

Answer 1

https://github.com/angular/universal and a starter kit from the author (included in the
Angular core) of this solution: https://github.com/angular/universal-starter
So it should not greatly affect the loading speed of the site (if you also season it with gzip on top). After all, this is one of the important indicators for SEO.