For those, who do not know what the Gemini protocol is, think of it as a modern, light-weight HTTP alternative without CSS or JavaScript. In layman term, you could see it as Web 1.0 reinvented. It uses GemText instead of HTML. For folks who want to try it out, you can either install a Gemini extension for your HTTPs browser (which kinda defeats the purpose, as modern browsers are heavy), or download a dedicated Gemini browser like Lagrange. Here’s a few sites you can access in Gemini.
Personally, I love it, although I miss a few stuff, like for example, multimedia, streaming and stuff like that. The memory foorprint is very low, and pages are super-fast.
Not possible. The Gemini protocol lacks anything like a POST method. The only way to provide user input to a Gemini server is through arguments encoded in the URL.