So arduino create agent is on my computer listening on a certain port. I use the browser to access a certain port of a webpage/web server and the browser used one my ports? Can a web server/web page ...

Arduino web server library. Contribute to lasselukkari/aWOT development by creating an account on GitHub.

The Arduino Create app provides an Internet based way of accessing the Arduino IDE and the new service has recently moved from nightly builds to hourly builds.

Since Arduino Create* is run entirely in the cloud, your code is compiled on a server (AWS at the time of this writing), then the binary is copied to your board in the ~/sketches folder.