5 ms·

Yes, but only because of TCP and TLS connection overhead. Once the connection is established, response time is similar to UDP.

• yjftsjthsd-h 8y ago
  Does the connection get reused?
  • cbsmith 8y ago
    Yes.
    • gsich 8y ago
      Not for long.
      • tracker1 8y ago
        If the browser is controlling the resolver in question, there's no reason not to hold long-running connections, or reconnecting on disconnect.