With Asp.Net MVC it is possible to flush out the header section of any page before sending the body. This is useful to instuct the browser to already start downloading linked CSS (an possible) JS files.
An example of how to do this can be found here:
I would like to implement the same thing for ServiceStack Razor (.Net Core) but I cannot find where to plug this in to… Any handlers would be appreciated, provided this can be done at all.