Browser & Web Performance · Senior · Question 61 of 75
What does HTTP/2 connection coalescing allow?
- 1Opening several connections per host for parallelism
- 2Merging several responses into one file
- ✓Correct answer: Reusing one connection for several hostnames that resolve to the same server and share a certificate
Explanation
This saves handshakes, but splitting assets across many domains (old 'sharding') usually hurts more than it helps today.