'it' being the embedded component or the whole page?
My guess is that it would depend on whether the old sychronous code or the newer async GA code was used. Not sure if the former is even still supported.
The browser will get a 404 when it tries to load the GA script, or simply get a tcp connection refused. It won't affect the rest of your site unless you are depending on other assets served from google.com.
My guess is that it would depend on whether the old sychronous code or the newer async GA code was used. Not sure if the former is even still supported.