The TCP connection has to be a unique identifier -- that's how the packets get to your computer instead of a different one. The identifier is (local IP, local port, remote IP, remote port). See wikipedia TCP. The only way it doesn't uniquely identify a browsing session is if you connect through a proxy.
To read about how Google forced the industry to rubber stamp HTTP/2 search for "Poul-Henning Kamp" the main guy opposed to accepting it as-is (also a computer science wizard, even 2004-era Google would be a step down for him), ietf-http-wg, SPDY (Google's internal name for HTTP/2). I don't know there's a particular summary of how it went down.
The connection to google-analytics being left open for half an hour you can test yourself with Wireshark. I last tested it a few years ago in Chrome so possibly Chromium or Brave protects you by not keeping it open. There was a bug report on chromium or bugzilla where Google said they did this on purpose for "performance", but I can't find it. I may have been censored.
Know where I can read more about this?
The TCP connection has to be a unique identifier -- that's how the packets get to your computer instead of a different one. The identifier is (local IP, local port, remote IP, remote port). See wikipedia TCP. The only way it doesn't uniquely identify a browsing session is if you connect through a proxy.
To read about how Google forced the industry to rubber stamp HTTP/2 search for "Poul-Henning Kamp" the main guy opposed to accepting it as-is (also a computer science wizard, even 2004-era Google would be a step down for him), ietf-http-wg, SPDY (Google's internal name for HTTP/2). I don't know there's a particular summary of how it went down.
The connection to google-analytics being left open for half an hour you can test yourself with Wireshark. I last tested it a few years ago in Chrome so possibly Chromium or Brave protects you by not keeping it open. There was a bug report on chromium or bugzilla where Google said they did this on purpose for "performance", but I can't find it. I may have been censored.