Re: Ada/GNAT/AWS-friendly web hosting

OK. Got it.
Actually, it depends on the problem to be solved. In the case I mentioned (PHP websites), FastCGI is a must and the FastCGI cache a performance grall.
FastCGI can be useful, even in Ada, if the site has to serve large quantities of static text and static images, that will make good use of a FastCGI cache.
But for dynamic sites (without static datas) written without PHP, I agree that the WebSockets protocol is indeed ideal.
WebSockets is a http1 only protocol. What doesn't matter. In most dynamic sites, such as business software, http2 or http3 are useless.
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Stéphane Rivière
Ile d'Oléron - France