HTTP/2 is a protocol that allows multiplexing which can be very beneficial however HTTP/2 is not always cheap and might not be a good choice for your backend.
Intro 0:00
What is HTTP/2 ? 1:30
HTTP/2 Pros 5:10
HTTP/2 Advantages on Browsers 5:30
HTTP/2 Advantages on Reverse Proxy Connection Pooling 9:20
HTTP/2 Problem 11:00
Google Talk https://www.youtube.com/watch?v=xxN4FfwaANk
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