#perfaudit

Performance Audit Of Web Applications By Professionals

PreConnect | Best Practices | Networking Performance

Preconnect is used to indicate an origin that will be used to fetch required resources. Initiating an early connection, which includes the DNS lookup, TCP handshake, and optional TLS negotiation, allows the user agent to mask the high latency costs of establishing a connection.

Related links:

  • Eliminating Roundtrips with Preconnect article

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