All challenges
Code AnalysisIntermediate 45s

Keep-alive benefit

What does connection reuse save?
Starter code
# Without keep-alive: 100 requests = 100 TCP handshakes
# With keep-alive: 100 requests = 1 TCP handshake

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle