Once Chrome establishes that connection, it will request the specific files that it needs to render the page, such as all of the code, images, and so on.
When you click on a link or enter a website’s domain name in your address bar, Chrome needs to make a connection to that server. An example of the ERR_CONNECTION_CLOSED message. In order to explain what the ERR_CONNECTION_CLOSED message means, we first need to quickly explain what’s going on underneath the hood in Chrome when you try to visit a site.
Check Out Our Video Guide to Fixing the ERR_CONNECTION_CLOSED error What Does “ERR_CONNECTION_CLOSED” Mean?