How to implement in C# taking values ​​from a site by reference?

Question

C++ / C#

Hello. The idea is (maybe someone did). Without using a web server - we take a link to the site, insert it into the form and take from the site only those values ​​that are needed. Now this is done through JS and all sorts of queryselectors ((( .

Answer 1

Well, if there is no API, then only parse the html page

Answer 2

Not using a web server

no way. unless using a browser . but also a very dubious way. there are very few static sites anymore. all sites on which some kind of quickly updated information - it is updated precisely by js scripts on the client side.
google web site automation and gnaw at the granite of science. as we understand, we compose other requests for
good luck