August 2018
Beginner
594 pages
22h 33m
English
HTTP/2 is the latest version of the application layer protocol for data communication. It is not a complete rewrite of the protocol. The HTTP status codes, verbs, methods, and most of the headers that you are already familiar with from using HTTP/1.1 will continue to be the same.
One difference between HTTP/2 and HTTP/1.1 is the fact that HTTP/2 is binary, whereas HTTP/1.1 is textual. HTTP/2 communication consists of binary-encoded messages and frames, making it more compact, efficient to parse, and less error-prone. The fact that HTTP/2 is binary is what enables some of the other HTTP/2 features that improve performance.
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